53642997900 has 72 divisors (see below), whose sum is σ = 172452313040. Its totient is φ = 14304798720.

The previous prime is 53642997899. The next prime is 53642997913. The reversal of 53642997900 is 979924635.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9931189 + ... + 9936588.

Almost surely, 2^53642997900 is an apocalyptic number.

53642997900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53642997900 is an abundant number, since it is smaller than the sum of its proper divisors (118809315140).

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

53642997900 is a wasteful number, since it uses less digits than its factorization.

53642997900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19867800 (or 19867787 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 54.

The spelling of 53642997900 in words is "fifty-three billion, six hundred forty-two million, nine hundred ninety-seven thousand, nine hundred".