97555056 has 40 divisors (see below), whose sum is σ = 252602880. Its totient is φ = 32442816.

The previous prime is 97555039. The next prime is 97555057. The reversal of 97555056 is 65055579.

It is a junction number, because it is equal to n+sod(n) for n = 97554999 and 97555017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97555057) 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, 20871 + ... + 25113.

It is an arithmetic number, because the mean of its divisors is an integer number (6315072).

Almost surely, 2^97555056 is an apocalyptic number.

It is an amenable number.

97555056 is an abundant number, since it is smaller than the sum of its proper divisors (155047824).

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

97555056 is a wasteful number, since it uses less digits than its factorization.

97555056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4733 (or 4727 counting only the distinct ones).

The product of its (nonzero) digits is 236250, while the sum is 42.

The square root of 97555056 is about 9876.9963045452. The cubic root of 97555056 is about 460.3448202200.

The spelling of 97555056 in words is "ninety-seven million, five hundred fifty-five thousand, fifty-six".