54331431 has 32 divisors (see below), whose sum is σ = 95078400. Its totient is φ = 26736480.

The previous prime is 54331427. The next prime is 54331447. The reversal of 54331431 is 13413345.

It is a happy number.

It is not a de Polignac number, because 54331431 - 2² = 54331427 is a prime.

It is a super-2 number, since 2×54331431² = 5903808789015522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54331421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1801 + ... + 10578.

It is an arithmetic number, because the mean of its divisors is an integer number (2971200).

Almost surely, 2^54331431 is an apocalyptic number.

54331431 is a deficient number, since it is larger than the sum of its proper divisors (40746969).

54331431 is a wasteful number, since it uses less digits than its factorization.

54331431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12419.

The product of its digits is 2160, while the sum is 24.

The square root of 54331431 is about 7370.9857549720. The cubic root of 54331431 is about 378.7480288322.

Adding to 54331431 its reverse (13413345), we get a palindrome (67744776).

It can be divided in two parts, 543314 and 31, that added together give a palindrome (543345).

The spelling of 54331431 in words is "fifty-four million, three hundred thirty-one thousand, four hundred thirty-one".