54957396591 has 64 divisors (see below), whose sum is σ = 84654028800. Its totient is φ = 35208950400.

The previous prime is 54957396581. The next prime is 54957396623. The reversal of 54957396591 is 19569375945.

54957396591 is a `hidden beast` number, since 5 + 4 + 9 + 5 + 7 + 39 + 6 + 591 = 666.

It is not a de Polignac number, because 54957396591 - 2⁹ = 54957396079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54957396511) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 46931436 + ... + 46932606.

It is an arithmetic number, because the mean of its divisors is an integer number (1322719200).

Almost surely, 2^54957396591 is an apocalyptic number.

54957396591 is a deficient number, since it is larger than the sum of its proper divisors (29696632209).

54957396591 is a wasteful number, since it uses less digits than its factorization.

54957396591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1757 (or 1751 counting only the distinct ones).

The product of its digits is 45927000, while the sum is 63.

The spelling of 54957396591 in words is "fifty-four billion, nine hundred fifty-seven million, three hundred ninety-six thousand, five hundred ninety-one".