53508690420872 has 16 divisors (see below), whose sum is σ = 100338506125200. Its totient is φ = 26751755454160.

The previous prime is 53508690420841. The next prime is 53508690420929. The reversal of 53508690420872 is 27802409680535.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323631722 + ... + 323797017.

It is an arithmetic number, because the mean of its divisors is an integer number (6271156632825).

Almost surely, 2^{53508690420872} is an apocalyptic number.

It is an amenable number.

53508690420872 is a deficient number, since it is larger than the sum of its proper divisors (46829815704328).

53508690420872 is a wasteful number, since it uses less digits than its factorization.

53508690420872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647439076 (or 647439072 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 59.

The spelling of 53508690420872 in words is "fifty-three trillion, five hundred eight billion, six hundred ninety million, four hundred twenty thousand, eight hundred seventy-two".