55204700400 has 90 divisors (see below), whose sum is σ = 191575657520. Its totient is φ = 14721252480.

The previous prime is 55204700377. The next prime is 55204700461. The reversal of 55204700400 is 400740255.

55204700400 is a `hidden beast` number, since 55 + 204 + 7 + 0 + 0 + 400 = 666.

55204700400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

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, 7663720 + ... + 7670919.

Almost surely, 2^55204700400 is an apocalyptic number.

55204700400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55204700400 is an abundant number, since it is smaller than the sum of its proper divisors (136370957120).

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

55204700400 is a wasteful number, since it uses less digits than its factorization.

55204700400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15334663 (or 15334649 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The spelling of 55204700400 in words is "fifty-five billion, two hundred four million, seven hundred thousand, four hundred".