52513401366553 has 4 divisors (see below), whose sum is σ = 52785491529268. Its totient is φ = 52241311203840.

The previous prime is 52513401366497. The next prime is 52513401366571. The reversal of 52513401366553 is 35566310431525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34622303301184 + 17891098065369 = 5884072^2 + 4229787^2 .

It is a cyclic number.

It is not a de Polignac number, because 52513401366553 - 2³⁷ = 52375962413081 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52513401366497 and 52513401366506.

It is not an unprimeable number, because it can be changed into a prime (52513401366593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136045081068 + ... + 136045081453.

It is an arithmetic number, because the mean of its divisors is an integer number (13196372882317).

Almost surely, 2^{52513401366553} is an apocalyptic number.

It is an amenable number.

52513401366553 is a deficient number, since it is larger than the sum of its proper divisors (272090162715).

52513401366553 is a wasteful number, since it uses less digits than its factorization.

52513401366553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272090162714.

The product of its (nonzero) digits is 4860000, while the sum is 49.

The spelling of 52513401366553 in words is "fifty-two trillion, five hundred thirteen billion, four hundred one million, three hundred sixty-six thousand, five hundred fifty-three".