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55372352 = 267217657
BaseRepresentation
bin1101001100111…
…0101001000000
310212012012120212
43103032221000
5103133403402
65254453252
71241441300
oct323165100
9125165525
1055372352
1129290082
1216664228
13b619809
1474d5600
154cdb952
hex34cea40

55372352 has 42 divisors (see below), whose sum is σ = 127826262. Its totient is φ = 23729664.

The previous prime is 55372319. The next prime is 55372367. The reversal of 55372352 is 25327355.

It can be written as a sum of positive squares in only one way, i.e., 37258816 + 18113536 = 6104^2 + 4256^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5693 + ... + 11964.

Almost surely, 255372352 is an apocalyptic number.

It is an amenable number.

55372352 is an abundant number, since it is smaller than the sum of its proper divisors (72453910).

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

55372352 is a wasteful number, since it uses less digits than its factorization.

55372352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17683 (or 17666 counting only the distinct ones).

The product of its digits is 31500, while the sum is 32.

The square root of 55372352 is about 7441.2601083419. The cubic root of 55372352 is about 381.1515208513.

The spelling of 55372352 in words is "fifty-five million, three hundred seventy-two thousand, three hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 98 112 196 224 392 448 784 1568 3136 17657 35314 70628 123599 141256 247198 282512 494396 565024 865193 988792 1130048 1730386 1977584 3460772 3955168 6921544 7910336 13843088 27686176 55372352