52504400031 has 16 divisors (see below), whose sum is σ = 71018736480. Its totient is φ = 34499013120.

The previous prime is 52504399991. The next prime is 52504400033. The reversal of 52504400031 is 13000440525.

It is not a de Polignac number, because 52504400031 - 2¹⁷ = 52504268959 is a prime.

It is a super-2 number, since 2×52504400031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52504399974 and 52504400010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52504400033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230560 + ... + 397701.

It is an arithmetic number, because the mean of its divisors is an integer number (4438671030).

Almost surely, 2^52504400031 is an apocalyptic number.

52504400031 is a deficient number, since it is larger than the sum of its proper divisors (18514336449).

52504400031 is a wasteful number, since it uses less digits than its factorization.

52504400031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628666.

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 52504400031 its reverse (13000440525), we get a palindrome (65504840556).

The spelling of 52504400031 in words is "fifty-two billion, five hundred four million, four hundred thousand, thirty-one".