55726873200 has 90 divisors (see below), whose sum is σ = 193387742184. Its totient is φ = 14860498560.

The previous prime is 55726873157. The next prime is 55726873217. The reversal of 55726873200 is 237862755.

55726873200 is a `hidden beast` number, since 5 + 572 + 6 + 8 + 73 + 2 + 0 + 0 = 666.

55726873200 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 Harshad number since it is a multiple of its sum of digits (45).

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, 7736244 + ... + 7743443.

Almost surely, 2^55726873200 is an apocalyptic number.

55726873200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55726873200 is an abundant number, since it is smaller than the sum of its proper divisors (137660868984).

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

55726873200 is a wasteful number, since it uses less digits than its factorization.

55726873200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15479711 (or 15479697 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 55726873200 in words is "fifty-five billion, seven hundred twenty-six million, eight hundred seventy-three thousand, two hundred".