55153332252 has 36 divisors (see below), whose sum is σ = 139423222120. Its totient is φ = 18383408352.

The previous prime is 55153332239. The next prime is 55153332263. The reversal of 55153332252 is 25223335155.

55153332252 is a `hidden beast` number, since 5 + 51 + 533 + 3 + 22 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 868578 + ... + 929910.

Almost surely, 2^55153332252 is an apocalyptic number.

It is an amenable number.

55153332252 is an abundant number, since it is smaller than the sum of its proper divisors (84269889868).

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

55153332252 is a wasteful number, since it uses less digits than its factorization.

55153332252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86322 (or 86317 counting only the distinct ones).

The product of its digits is 135000, while the sum is 36.

The spelling of 55153332252 in words is "fifty-five billion, one hundred fifty-three million, three hundred thirty-two thousand, two hundred fifty-two".