53909477496 has 96 divisors (see below), whose sum is σ = 166894940160. Its totient is φ = 15399729216.

The previous prime is 53909477467. The next prime is 53909477513. The reversal of 53909477496 is 69477490935.

53909477496 is a `hidden beast` number, since 5 + 390 + 94 + 7 + 74 + 96 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5147161 + ... + 5157623.

It is an arithmetic number, because the mean of its divisors is an integer number (1738488960).

Almost surely, 2^53909477496 is an apocalyptic number.

53909477496 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

53909477496 is an abundant number, since it is smaller than the sum of its proper divisors (112985462664).

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

53909477496 is a wasteful number, since it uses less digits than its factorization.

53909477496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20705 (or 20698 counting only the distinct ones).

The product of its (nonzero) digits is 51438240, while the sum is 63.

The spelling of 53909477496 in words is "fifty-three billion, nine hundred nine million, four hundred seventy-seven thousand, four hundred ninety-six".