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55902539 = 711726007
BaseRepresentation
bin1101010101000…
…0000101001011
310220012010212102
43111100011023
5103302340124
65314104015
71246110110
oct325200513
9126163772
1055902539
1129612450
121687b00b
13b773c34
1475d2907
154d93aae
hex355014b

55902539 has 8 divisors (see below), whose sum is σ = 69696768. Its totient is φ = 43560360.

The previous prime is 55902527. The next prime is 55902563. The reversal of 55902539 is 93520955.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55902539 - 28 = 55902283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55902839) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 362927 + ... + 363080.

It is an arithmetic number, because the mean of its divisors is an integer number (8712096).

Almost surely, 255902539 is an apocalyptic number.

55902539 is a deficient number, since it is larger than the sum of its proper divisors (13794229).

55902539 is a wasteful number, since it uses less digits than its factorization.

55902539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726025.

The product of its (nonzero) digits is 60750, while the sum is 38.

The square root of 55902539 is about 7476.8000508239. The cubic root of 55902539 is about 382.3641598319.

The spelling of 55902539 in words is "fifty-five million, nine hundred two thousand, five hundred thirty-nine".

Divisors: 1 7 11 77 726007 5082049 7986077 55902539