55045959636 has 48 divisors (see below), whose sum is σ = 132064732800. Its totient is φ = 17837269632.

The previous prime is 55045959623. The next prime is 55045959667. The reversal of 55045959636 is 63695954055.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327696 + ... + 466343.

It is an arithmetic number, because the mean of its divisors is an integer number (2751348600).

Almost surely, 2^55045959636 is an apocalyptic number.

It is an amenable number.

55045959636 is an abundant number, since it is smaller than the sum of its proper divisors (77018773164).

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

55045959636 is a wasteful number, since it uses less digits than its factorization.

55045959636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794208 (or 794206 counting only the distinct ones).

The product of its (nonzero) digits is 21870000, while the sum is 57.

The spelling of 55045959636 in words is "fifty-five billion, forty-five million, nine hundred fifty-nine thousand, six hundred thirty-six".