97157056 has 28 divisors (see below), whose sum is σ = 196440552. Its totient is φ = 47660288.

The previous prime is 97157033. The next prime is 97157107. The reversal of 97157056 is 65075179.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10930 + ... + 17713.

It is an arithmetic number, because the mean of its divisors is an integer number (7015734).

Almost surely, 2^97157056 is an apocalyptic number.

It is an amenable number.

97157056 is an abundant number, since it is smaller than the sum of its proper divisors (99283496).

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

97157056 is a wasteful number, since it uses less digits than its factorization.

97157056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28708 (or 28698 counting only the distinct ones).

The product of its (nonzero) digits is 66150, while the sum is 40.

The square root of 97157056 is about 9856.8278873074. The cubic root of 97157056 is about 459.7179367203.

The spelling of 97157056 in words is "ninety-seven million, one hundred fifty-seven thousand, fifty-six".