55567700 has 18 divisors (see below), whose sum is σ = 120582126. Its totient is φ = 22227040.

The previous prime is 55567697. The next prime is 55567727. The reversal of 55567700 is 776555.

It can be written as a sum of positive squares in 3 ways, for example, as 10355524 + 45212176 = 3218^2 + 6724^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 277739 + ... + 277938.

It is an arithmetic number, because the mean of its divisors is an integer number (6699007).

Almost surely, 2^55567700 is an apocalyptic number.

55567700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55567700 is an abundant number, since it is smaller than the sum of its proper divisors (65014426).

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

55567700 is a wasteful number, since it uses less digits than its factorization.

55567700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555691 (or 555684 counting only the distinct ones).

The product of its (nonzero) digits is 36750, while the sum is 35.

The square root of 55567700 is about 7454.3745545820. The cubic root of 55567700 is about 381.5992159958.

The spelling of 55567700 in words is "fifty-five million, five hundred sixty-seven thousand, seven hundred".