53555436512964 has 81 divisors (see below), whose sum is σ = 136665254339887. Its totient is φ = 17683421355408.

The previous prime is 53555436512947. The next prime is 53555436513023. The reversal of 53555436512964 is 46921563455535.

The square root of 53555436512964 is 7318158.

It is a perfect power (a square), and thus also a powerful number.

53555436512964 is a `hidden beast` number, since 5 + 3 + 5 + 5 + 54 + 3 + 6 + 512 + 9 + 64 = 666.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4698251737 + ... + 4698263135.

Almost surely, 2^{53555436512964} is an apocalyptic number.

53555436512964 is the 7318158-th square number.

It is an amenable number.

53555436512964 is an abundant number, since it is smaller than the sum of its proper divisors (83109817826923).

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

53555436512964 is an equidigital number, since it uses as much as digits as its factorization.

53555436512964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23022 (or 11511 counting only the distinct ones).

The product of its digits is 291600000, while the sum is 63.

The spelling of 53555436512964 in words is "fifty-three trillion, five hundred fifty-five billion, four hundred thirty-six million, five hundred twelve thousand, nine hundred sixty-four".