56551080 has 32 divisors (see below), whose sum is σ = 169653600. Its totient is φ = 15080256.

The previous prime is 56551067. The next prime is 56551081. The reversal of 56551080 is 8015565.

It is a happy number.

It is a super-3 number, since 3×56551080³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (56551081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235510 + ... + 235749.

It is an arithmetic number, because the mean of its divisors is an integer number (5301675).

Almost surely, 2^56551080 is an apocalyptic number.

It is an amenable number.

56551080 is an abundant number, since it is smaller than the sum of its proper divisors (113102520).

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

56551080 is a wasteful number, since it uses less digits than its factorization.

56551080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471273 (or 471269 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 56551080 is about 7520.0452126300. The cubic root of 56551080 is about 383.8371162482.

The spelling of 56551080 in words is "fifty-six million, five hundred fifty-one thousand, eighty".