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55552672 = 257271499
BaseRepresentation
bin1101001111101…
…0101010100000
310212112100221101
43103322222200
5103210141142
65302404144
71243122100
oct323725240
9125470841
1055552672
11293a35aa
1216730654
13b680906
147541200
154d250b7
hex34faaa0

55552672 has 72 divisors (see below), whose sum is σ = 129276000. Its totient is φ = 23425920.

The previous prime is 55552649. The next prime is 55552681. The reversal of 55552672 is 27625555.

It is a happy number.

55552672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111079 + ... + 111577.

It is an arithmetic number, because the mean of its divisors is an integer number (1795500).

Almost surely, 255552672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55552672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64638000).

55552672 is an abundant number, since it is smaller than the sum of its proper divisors (73723328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55552672 is a wasteful number, since it uses less digits than its factorization.

55552672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594 (or 579 counting only the distinct ones).

The product of its digits is 105000, while the sum is 37.

The square root of 55552672 is about 7453.3664877021. The cubic root of 55552672 is about 381.5648123760.

The spelling of 55552672 in words is "fifty-five million, five hundred fifty-two thousand, six hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 71 98 112 142 196 224 284 392 497 499 568 784 994 998 1136 1568 1988 1996 2272 3479 3493 3976 3992 6958 6986 7952 7984 13916 13972 15904 15968 24451 27832 27944 35429 48902 55664 55888 70858 97804 111328 111776 141716 195608 248003 283432 391216 496006 566864 782432 992012 1133728 1736021 1984024 3472042 3968048 6944084 7936096 13888168 27776336 55552672