55786080 has 96 divisors (see below), whose sum is σ = 200841984. Its totient is φ = 12750336.

The previous prime is 55786067. The next prime is 55786097. The reversal of 55786080 is 8068755.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×55786080³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4942 + ... + 11661.

It is an arithmetic number, because the mean of its divisors is an integer number (2092104).

Almost surely, 2^55786080 is an apocalyptic number.

It is an amenable number.

55786080 is an abundant number, since it is smaller than the sum of its proper divisors (145055904).

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

55786080 is a wasteful number, since it uses less digits than its factorization.

55786080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16628 (or 16620 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 55786080 is about 7469.0079662563. The cubic root of 55786080 is about 382.0984551100.

The spelling of 55786080 in words is "fifty-five million, seven hundred eighty-six thousand, eighty".