97940505055 has 32 divisors (see below), whose sum is σ = 123586948800. Its totient is φ = 74410678272.

The previous prime is 97940505023. The next prime is 97940505133. The reversal of 97940505055 is 55050504979.

It is a cyclic number.

It is not a de Polignac number, because 97940505055 - 2⁵ = 97940505023 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2738247 + ... + 2773783.

It is an arithmetic number, because the mean of its divisors is an integer number (3862092150).

Almost surely, 2^97940505055 is an apocalyptic number.

97940505055 is a deficient number, since it is larger than the sum of its proper divisors (25646443745).

97940505055 is a wasteful number, since it uses less digits than its factorization.

97940505055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35883.

The product of its (nonzero) digits is 1417500, while the sum is 49.

The spelling of 97940505055 in words is "ninety-seven billion, nine hundred forty million, five hundred five thousand, fifty-five".