53653694508 has 18 divisors (see below), whose sum is σ = 135624616764. Its totient is φ = 17884564824.

The previous prime is 53653694477. The next prime is 53653694579. The reversal of 53653694508 is 80549635635.

It is a happy number.

53653694508 is a `hidden beast` number, since 53 + 6 + 536 + 9 + 4 + 50 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 745190166 + ... + 745190237.

Almost surely, 2^53653694508 is an apocalyptic number.

It is an amenable number.

53653694508 is an abundant number, since it is smaller than the sum of its proper divisors (81970922256).

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

53653694508 is a wasteful number, since it uses less digits than its factorization.

53653694508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490380413 (or 1490380408 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 54.

The spelling of 53653694508 in words is "fifty-three billion, six hundred fifty-three million, six hundred ninety-four thousand, five hundred eight".