54625663426656 has 48 divisors (see below), whose sum is σ = 163876990281984. Its totient is φ = 15607332407424.

The previous prime is 54625663426627. The next prime is 54625663426657. The reversal of 54625663426656 is 65662436652645.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54625663426657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40644094140 + ... + 40644095483.

It is an arithmetic number, because the mean of its divisors is an integer number (3414103964208).

Almost surely, 2^{54625663426656} is an apocalyptic number.

54625663426656 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

54625663426656 is an abundant number, since it is smaller than the sum of its proper divisors (109251326855328).

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

54625663426656 is a wasteful number, since it uses less digits than its factorization.

54625663426656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81288189643 (or 81288189635 counting only the distinct ones).

The product of its digits is 1119744000, while the sum is 66.

The spelling of 54625663426656 in words is "fifty-four trillion, six hundred twenty-five billion, six hundred sixty-three million, four hundred twenty-six thousand, six hundred fifty-six".