55982900 has 36 divisors (see below), whose sum is σ = 125408640. Its totient is φ = 21669600.

The previous prime is 55982881. The next prime is 55982959. The reversal of 55982900 is 928955.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5930 + ... + 12129.

Almost surely, 2^55982900 is an apocalyptic number.

55982900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55982900 is an abundant number, since it is smaller than the sum of its proper divisors (69425740).

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

55982900 is a wasteful number, since it uses less digits than its factorization.

55982900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18104 (or 18097 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 55982900 is about 7482.1721445046. The cubic root of 55982900 is about 382.5472907767.

The spelling of 55982900 in words is "fifty-five million, nine hundred eighty-two thousand, nine hundred".