54244625064 has 64 divisors (see below), whose sum is σ = 156205056000. Its totient is φ = 15376423104.

The previous prime is 54244625059. The next prime is 54244625069. The reversal of 54244625064 is 46052644245.

It is an interprime number because it is at equal distance from previous prime (54244625059) and next prime (54244625069).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (54244625069) 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, 1249864 + ... + 1292535.

It is an arithmetic number, because the mean of its divisors is an integer number (2440704000).

Almost surely, 2^54244625064 is an apocalyptic number.

It is an amenable number.

54244625064 is an abundant number, since it is smaller than the sum of its proper divisors (101960430936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54244625064 is a wasteful number, since it uses less digits than its factorization.

54244625064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2542542 (or 2542538 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 42.

The spelling of 54244625064 in words is "fifty-four billion, two hundred forty-four million, six hundred twenty-five thousand, sixty-four".