55031888052 has 96 divisors (see below), whose sum is σ = 146686055040. Its totient is φ = 17831543040.

The previous prime is 55031888047. The next prime is 55031888071. The reversal of 55031888052 is 25088813055.

55031888052 is a `hidden beast` number, since 5 + 503 + 18 + 8 + 80 + 52 = 666.

55031888052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 55031887989 and 55031888007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1204123 + ... + 1248989.

It is an arithmetic number, because the mean of its divisors is an integer number (1527979740).

Almost surely, 2^55031888052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55031888052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73343027520).

55031888052 is an abundant number, since it is smaller than the sum of its proper divisors (91654166988).

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

55031888052 is a wasteful number, since it uses less digits than its factorization.

55031888052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45198 (or 45190 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 45.

The spelling of 55031888052 in words is "fifty-five billion, thirty-one million, eight hundred eighty-eight thousand, fifty-two".