55531001634 has 96 divisors (see below), whose sum is σ = 117703901952. Its totient is φ = 17454528000.

The previous prime is 55531001627. The next prime is 55531001689. The reversal of 55531001634 is 43610013555.

It is a junction number, because it is equal to n+sod(n) for n = 55531001595 and 55531001604.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60955639 + ... + 60956549.

It is an arithmetic number, because the mean of its divisors is an integer number (1226082312).

Almost surely, 2^55531001634 is an apocalyptic number.

55531001634 is an abundant number, since it is smaller than the sum of its proper divisors (62172900318).

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

55531001634 is a wasteful number, since it uses less digits than its factorization.

55531001634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212 (or 1175 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

The spelling of 55531001634 in words is "fifty-five billion, five hundred thirty-one million, one thousand, six hundred thirty-four".