54311866664 has 32 divisors (see below), whose sum is σ = 111369565440. Its totient is φ = 24625632000.

The previous prime is 54311866649. The next prime is 54311866691. The reversal of 54311866664 is 46666811345.

It is a super-2 number, since 2×54311866664² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 734264 + ... + 804839.

It is an arithmetic number, because the mean of its divisors is an integer number (3480298920).

Almost surely, 2^54311866664 is an apocalyptic number.

It is an amenable number.

54311866664 is an abundant number, since it is smaller than the sum of its proper divisors (57057698776).

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

54311866664 is a wasteful number, since it uses less digits than its factorization.

54311866664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539521 (or 1539517 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 50.

The spelling of 54311866664 in words is "fifty-four billion, three hundred eleven million, eight hundred sixty-six thousand, six hundred sixty-four".