55051055200 has 72 divisors (see below), whose sum is σ = 136094726880. Its totient is φ = 21741657600.

The previous prime is 55051055167. The next prime is 55051055203. The reversal of 55051055200 is 255015055.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55051055203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 372331 + ... + 498730.

It is an arithmetic number, because the mean of its divisors is an integer number (1890204540).

Almost surely, 2^55051055200 is an apocalyptic number.

55051055200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55051055200 is an abundant number, since it is smaller than the sum of its proper divisors (81043671680).

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

55051055200 is a wasteful number, since it uses less digits than its factorization.

55051055200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871160 (or 871147 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 28.

The spelling of 55051055200 in words is "fifty-five billion, fifty-one million, fifty-five thousand, two hundred".