97055494591 has 16 divisors (see below), whose sum is σ = 108944582688. Its totient is φ = 85710352000.

The previous prime is 97055494583. The next prime is 97055494609. The reversal of 97055494591 is 19549455079.

It is a cyclic number.

It is not a de Polignac number, because 97055494591 - 2³ = 97055494583 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 (97055494531) 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, 765256 + ... + 883021.

It is an arithmetic number, because the mean of its divisors is an integer number (6809036418).

Almost surely, 2^97055494591 is an apocalyptic number.

97055494591 is a deficient number, since it is larger than the sum of its proper divisors (11889088097).

97055494591 is a wasteful number, since it uses less digits than its factorization.

97055494591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648442.

The product of its (nonzero) digits is 10206000, while the sum is 58.

The spelling of 97055494591 in words is "ninety-seven billion, fifty-five million, four hundred ninety-four thousand, five hundred ninety-one".