53231404 has 6 divisors (see below), whose sum is σ = 93154964. Its totient is φ = 26615700.

The previous prime is 53231383. The next prime is 53231441. The reversal of 53231404 is 40413235.

It is a super-2 number, since 2×53231404² = 5667164743622432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6653922 + ... + 6653929.

Almost surely, 2^53231404 is an apocalyptic number.

It is an amenable number.

53231404 is a deficient number, since it is larger than the sum of its proper divisors (39923560).

53231404 is a wasteful number, since it uses less digits than its factorization.

53231404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13307855 (or 13307853 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 53231404 is about 7295.9854714768. The cubic root of 53231404 is about 376.1744606871.

Adding to 53231404 its reverse (40413235), we get a palindrome (93644639).

It can be divided in two parts, 53231 and 404, that added together give a palindrome (53635).

The spelling of 53231404 in words is "fifty-three million, two hundred thirty-one thousand, four hundred four".