55068560 has 20 divisors (see below), whose sum is σ = 128034588. Its totient is φ = 22027392.

The previous prime is 55068511. The next prime is 55068581. The reversal of 55068560 is 6586055.

It can be written as a sum of positive squares in 2 ways, for example, as 16777216 + 38291344 = 4096^2 + 6188^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 55068560.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344099 + ... + 344258.

Almost surely, 2^55068560 is an apocalyptic number.

It is an amenable number.

55068560 is an abundant number, since it is smaller than the sum of its proper divisors (72966028).

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

55068560 is a wasteful number, since it uses less digits than its factorization.

55068560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688370 (or 688364 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 55068560 is about 7420.8193617686. The cubic root of 55068560 is about 380.4531988993.

The spelling of 55068560 in words is "fifty-five million, sixty-eight thousand, five hundred sixty".