54626245557 has 16 divisors (see below), whose sum is σ = 78443265600. Its totient is φ = 33613759872.

The previous prime is 54626245523. The next prime is 54626245607. The reversal of 54626245557 is 75554262645.

It is not a de Polignac number, because 54626245557 - 2¹⁸ = 54625983413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54626241557) 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, 619194 + ... + 701892.

It is an arithmetic number, because the mean of its divisors is an integer number (4902704100).

Almost surely, 2^54626245557 is an apocalyptic number.

It is an amenable number.

54626245557 is a deficient number, since it is larger than the sum of its proper divisors (23817020043).

54626245557 is a wasteful number, since it uses less digits than its factorization.

54626245557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99652.

The product of its digits is 10080000, while the sum is 51.

The spelling of 54626245557 in words is "fifty-four billion, six hundred twenty-six million, two hundred forty-five thousand, five hundred fifty-seven".