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55540352 = 27761987
BaseRepresentation
bin1101001111011…
…1101010000000
310212111202001002
43103313222000
5103204242402
65302231132
71243041140
oct323675200
9125452032
1055540352
112939531a
12167254a8
13b67811a
14753a920
154d21602
hex34f7a80

55540352 has 32 divisors (see below), whose sum is σ = 126455520. Its totient is φ = 23802624.

The previous prime is 55540351. The next prime is 55540379. The reversal of 55540352 is 25304555.

It is a happy number.

55540352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (55540351) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 30098 + ... + 31889.

It is an arithmetic number, because the mean of its divisors is an integer number (3951735).

Almost surely, 255540352 is an apocalyptic number.

It is an amenable number.

55540352 is an abundant number, since it is smaller than the sum of its proper divisors (70915168).

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

55540352 is an equidigital number, since it uses as much as digits as its factorization.

55540352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62008 (or 61996 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 55540352 is about 7452.5399697016. The cubic root of 55540352 is about 381.5366035556.

The spelling of 55540352 in words is "fifty-five million, five hundred forty thousand, three hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 896 61987 123974 247948 433909 495896 867818 991792 1735636 1983584 3471272 3967168 6942544 7934336 13885088 27770176 55540352