97557051 has 4 divisors (see below), whose sum is σ = 130076072. Its totient is φ = 65038032.

The previous prime is 97557043. The next prime is 97557079. The reversal of 97557051 is 15075579.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 97557051 - 2³ = 97557043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97557091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16259506 + ... + 16259511.

It is an arithmetic number, because the mean of its divisors is an integer number (32519018).

Almost surely, 2^97557051 is an apocalyptic number.

97557051 is a deficient number, since it is larger than the sum of its proper divisors (32519021).

97557051 is a wasteful number, since it uses less digits than its factorization.

97557051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32519020.

The product of its (nonzero) digits is 55125, while the sum is 39.

The square root of 97557051 is about 9877.0972962708. The cubic root of 97557051 is about 460.3479582144.

The spelling of 97557051 in words is "ninety-seven million, five hundred fifty-seven thousand, fifty-one".