53656236316501 has 12 divisors (see below), whose sum is σ = 67217702639052. Its totient is φ = 42453285876288.

The previous prime is 53656236316493. The next prime is 53656236316511. The reversal of 53656236316501 is 10561363265635.

It can be written as a sum of positive squares in 2 ways, for example, as 5788186398225 + 47868049918276 = 2405865^2 + 6918674^2 .

It is not a de Polignac number, because 53656236316501 - 2³ = 53656236316493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53656236316511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42116354400 + ... + 42116355673.

It is an arithmetic number, because the mean of its divisors is an integer number (5601475219921).

Almost surely, 2^{53656236316501} is an apocalyptic number.

It is an amenable number.

53656236316501 is a deficient number, since it is larger than the sum of its proper divisors (13561466322551).

53656236316501 is a wasteful number, since it uses less digits than its factorization.

53656236316501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84232710100 (or 84232710093 counting only the distinct ones).

The product of its (nonzero) digits is 8748000, while the sum is 52.

The spelling of 53656236316501 in words is "fifty-three trillion, six hundred fifty-six billion, two hundred thirty-six million, three hundred sixteen thousand, five hundred one".