55503315532 has 24 divisors (see below), whose sum is σ = 111419310240. Its totient is φ = 23698704000.

The previous prime is 55503315509. The next prime is 55503315541. The reversal of 55503315532 is 23551330555.

It is a junction number, because it is equal to n+sod(n) for n = 55503315491 and 55503315500.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3676969 + ... + 3692032.

It is an arithmetic number, because the mean of its divisors is an integer number (4642471260).

Almost surely, 2^55503315532 is an apocalyptic number.

It is an amenable number.

55503315532 is an abundant number, since it is smaller than the sum of its proper divisors (55915994708).

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

55503315532 is a wasteful number, since it uses less digits than its factorization.

55503315532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7369281 (or 7369279 counting only the distinct ones).

The product of its (nonzero) digits is 168750, while the sum is 37.

The spelling of 55503315532 in words is "fifty-five billion, five hundred three million, three hundred fifteen thousand, five hundred thirty-two".