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55560157 = 2347103499
BaseRepresentation
bin1101001111110…
…0011111011101
310212112202012121
43103330133131
5103210411112
65302502541
71243152652
oct323743735
9125482177
1055560157
11293a9194
1216734a51
13b684143
147543c29
154d27407
hex34fc7dd

55560157 has 16 divisors (see below), whose sum is σ = 59904000. Its totient is φ = 51405552.

The previous prime is 55560139. The next prime is 55560173. The reversal of 55560157 is 75106555.

It is a de Polignac number, because none of the positive numbers 2k-55560157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55560187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111094 + ... + 111592.

It is an arithmetic number, because the mean of its divisors is an integer number (3744000).

Almost surely, 255560157 is an apocalyptic number.

It is an amenable number.

55560157 is a deficient number, since it is larger than the sum of its proper divisors (4343843).

55560157 is a wasteful number, since it uses less digits than its factorization.

55560157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672.

The product of its (nonzero) digits is 26250, while the sum is 34.

The square root of 55560157 is about 7453.8685928852. The cubic root of 55560157 is about 381.5819485716.

The spelling of 55560157 in words is "fifty-five million, five hundred sixty thousand, one hundred fifty-seven".

Divisors: 1 23 47 103 499 1081 2369 4841 11477 23453 51397 111343 539419 1182131 2415659 55560157