54564012157 has 16 divisors (see below), whose sum is σ = 55679754240. Its totient is φ = 53463086208.

The previous prime is 54564012149. The next prime is 54564012161. The reversal of 54564012157 is 75121046545.

It is a cyclic number.

It is not a de Polignac number, because 54564012157 - 2³ = 54564012149 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 (54564010157) 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, 3419644 + ... + 3435562.

It is an arithmetic number, because the mean of its divisors is an integer number (3479984640).

Almost surely, 2^54564012157 is an apocalyptic number.

It is an amenable number.

54564012157 is a deficient number, since it is larger than the sum of its proper divisors (1115742083).

54564012157 is a wasteful number, since it uses less digits than its factorization.

54564012157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16380.

The product of its (nonzero) digits is 168000, while the sum is 40.

The spelling of 54564012157 in words is "fifty-four billion, five hundred sixty-four million, twelve thousand, one hundred fifty-seven".