53404862831 has 4 divisors (see below), whose sum is σ = 53703214200. Its totient is φ = 53106511464.

The previous prime is 53404862801. The next prime is 53404862873. The reversal of 53404862831 is 13826840435.

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

It is a cyclic number.

It is not a de Polignac number, because 53404862831 - 2¹⁸ = 53404600687 is a prime.

It is a super-2 number, since 2×53404862831² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53404862801) 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, 149175416 + ... + 149175773.

It is an arithmetic number, because the mean of its divisors is an integer number (13425803550).

Almost surely, 2^53404862831 is an apocalyptic number.

53404862831 is a deficient number, since it is larger than the sum of its proper divisors (298351369).

53404862831 is a wasteful number, since it uses less digits than its factorization.

53404862831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298351368.

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 53404862831 in words is "fifty-three billion, four hundred four million, eight hundred sixty-two thousand, eight hundred thirty-one".