52993531 has 2 divisors, whose sum is σ = 52993532. Its totient is φ = 52993530.

The previous prime is 52993519. The next prime is 52993553. The reversal of 52993531 is 13539925.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52993531 - 2¹¹ = 52991483 is a prime.

It is a super-2 number, since 2×52993531² = 5616628655695922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52993631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26496765 + 26496766.

It is an arithmetic number, because the mean of its divisors is an integer number (26496766).

Almost surely, 2^52993531 is an apocalyptic number.

52993531 is a deficient number, since it is larger than the sum of its proper divisors (1).

52993531 is an equidigital number, since it uses as much as digits as its factorization.

52993531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36450, while the sum is 37.

The square root of 52993531 is about 7279.6655829784. The cubic root of 52993531 is about 375.6132921509.

The spelling of 52993531 in words is "fifty-two million, nine hundred ninety-three thousand, five hundred thirty-one".