55500680 has 16 divisors (see below), whose sum is σ = 124876620. Its totient is φ = 22200256.

The previous prime is 55500673. The next prime is 55500701. The reversal of 55500680 is 8600555.

It can be written as a sum of positive squares in 2 ways, for example, as 45778756 + 9721924 = 6766^2 + 3118^2 .

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, 693719 + ... + 693798.

Almost surely, 2^55500680 is an apocalyptic number.

It is an amenable number.

55500680 is an abundant number, since it is smaller than the sum of its proper divisors (69375940).

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

55500680 is a wasteful number, since it uses less digits than its factorization.

55500680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387528 (or 1387524 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 55500680 is about 7449.8778513476. The cubic root of 55500680 is about 381.4457391364.

The spelling of 55500680 in words is "fifty-five million, five hundred thousand, six hundred eighty".