53265550365513 has 24 divisors (see below), whose sum is σ = 77025868196160. Its totient is φ = 35470355669280.

The previous prime is 53265550365509. The next prime is 53265550365539. The reversal of 53265550365513 is 31556305556235.

53265550365513 is a `hidden beast` number, since 5 + 3 + 2 + 6 + 5 + 5 + 50 + 36 + 551 + 3 = 666.

It is not a de Polignac number, because 53265550365513 - 2² = 53265550365509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53265550365513.

It is not an unprimeable number, because it can be changed into a prime (53265550365553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27455323 + ... + 29331311.

It is an arithmetic number, because the mean of its divisors is an integer number (3209411174840).

Almost surely, 2^{53265550365513} is an apocalyptic number.

It is an amenable number.

53265550365513 is a deficient number, since it is larger than the sum of its proper divisors (23760317830647).

53265550365513 is a wasteful number, since it uses less digits than its factorization.

53265550365513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879549 (or 1879546 counting only the distinct ones).

The product of its (nonzero) digits is 30375000, while the sum is 54.

The spelling of 53265550365513 in words is "fifty-three trillion, two hundred sixty-five billion, five hundred fifty million, three hundred sixty-five thousand, five hundred thirteen".