53044431 has 8 divisors (see below), whose sum is σ = 77155584. Its totient is φ = 32148120.

The previous prime is 53044367. The next prime is 53044457. The reversal of 53044431 is 13444035.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53044431 - 2⁶ = 53044367 is a prime.

It is a super-2 number, since 2×53044431² = 5627423320227522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53044031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803671 + ... + 803736.

It is an arithmetic number, because the mean of its divisors is an integer number (9644448).

Almost surely, 2^53044431 is an apocalyptic number.

53044431 is a deficient number, since it is larger than the sum of its proper divisors (24111153).

53044431 is a wasteful number, since it uses less digits than its factorization.

53044431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607421.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 53044431 is about 7283.1607836159. The cubic root of 53044431 is about 375.7335118477.

Adding to 53044431 its reverse (13444035), we get a palindrome (66488466).

The spelling of 53044431 in words is "fifty-three million, forty-four thousand, four hundred thirty-one".