55501718372 has 24 divisors (see below), whose sum is σ = 100618033152. Its totient is φ = 26760081600.

The previous prime is 55501718323. The next prime is 55501718381. The reversal of 55501718372 is 27381710555.

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, 761588 + ... + 831275.

It is an arithmetic number, because the mean of its divisors is an integer number (4192418048).

Almost surely, 2^55501718372 is an apocalyptic number.

It is an amenable number.

55501718372 is a deficient number, since it is larger than the sum of its proper divisors (45116314780).

55501718372 is a wasteful number, since it uses less digits than its factorization.

55501718372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593179 (or 1593177 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 44.

The spelling of 55501718372 in words is "fifty-five billion, five hundred one million, seven hundred eighteen thousand, three hundred seventy-two".