55513332036 has 72 divisors (see below), whose sum is σ = 148488971904. Its totient is φ = 17450590080.

The previous prime is 55513331977. The next prime is 55513332071. The reversal of 55513332036 is 63023331555.

55513332036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 413361 + ... + 530936.

It is an arithmetic number, because the mean of its divisors is an integer number (2062346832).

Almost surely, 2^55513332036 is an apocalyptic number.

It is an amenable number.

55513332036 is an abundant number, since it is smaller than the sum of its proper divisors (92975639868).

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

55513332036 is a wasteful number, since it uses less digits than its factorization.

55513332036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944401 (or 944396 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 36.

The spelling of 55513332036 in words is "fifty-five billion, five hundred thirteen million, three hundred thirty-two thousand, thirty-six".