55668714624 has 192 divisors, whose sum is σ = 172494036000. Its totient is φ = 17168326656.

The previous prime is 55668714589. The next prime is 55668714643. The reversal of 55668714624 is 42641786655.

55668714624 is a `hidden beast` number, since 5 + 5 + 6 + 6 + 8 + 7 + 1 + 4 + 624 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×55668714624² (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 23 ways as a sum of consecutive naturals, for example, 1131367 + ... + 1179545.

Almost surely, 2^55668714624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55668714624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86247018000).

55668714624 is an abundant number, since it is smaller than the sum of its proper divisors (116825321376).

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

55668714624 is a wasteful number, since it uses less digits than its factorization.

55668714624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48275 (or 48260 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 54.

The spelling of 55668714624 in words is "fifty-five billion, six hundred sixty-eight million, seven hundred fourteen thousand, six hundred twenty-four".