55702800 has 90 divisors (see below), whose sum is σ = 193316682. Its totient is φ = 14853120.

The previous prime is 55702793. The next prime is 55702811. The reversal of 55702800 is 820755.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2471184 + 53231616 = 1572^2 + 7296^2 .

It is a tau number, because it is divible by the number of its divisors (90).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4137 + ... + 11336.

Almost surely, 2^55702800 is an apocalyptic number.

55702800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55702800 is an abundant number, since it is smaller than the sum of its proper divisors (137613882).

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

55702800 is a wasteful number, since it uses less digits than its factorization.

55702800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15497 (or 15483 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 55702800 is about 7463.4308464673. The cubic root of 55702800 is about 381.9082224260.

The spelling of 55702800 in words is "fifty-five million, seven hundred two thousand, eight hundred".