53113534531 has 2 divisors, whose sum is σ = 53113534532. Its totient is φ = 53113534530.

The previous prime is 53113534519. The next prime is 53113534561. The reversal of 53113534531 is 13543531135.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53113534531 - 2⁵ = 53113534499 is a prime.

It is a super-2 number, since 2×53113534531² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53113534561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26556767265 + 26556767266.

It is an arithmetic number, because the mean of its divisors is an integer number (26556767266).

Almost surely, 2^53113534531 is an apocalyptic number.

53113534531 is a deficient number, since it is larger than the sum of its proper divisors (1).

53113534531 is an equidigital number, since it uses as much as digits as its factorization.

53113534531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40500, while the sum is 34.

The spelling of 53113534531 in words is "fifty-three billion, one hundred thirteen million, five hundred thirty-four thousand, five hundred thirty-one".