54339931 has 4 divisors (see below), whose sum is σ = 56092864. Its totient is φ = 52587000.

The previous prime is 54339877. The next prime is 54339953. The reversal of 54339931 is 13993345.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13993345 = 5 ⋅2798669.

It is a cyclic number.

It is not a de Polignac number, because 54339931 - 2⁹ = 54339419 is a prime.

It is a super-2 number, since 2×54339931² = 5905656202169522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54339991) 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, 876420 + ... + 876481.

It is an arithmetic number, because the mean of its divisors is an integer number (14023216).

Almost surely, 2^54339931 is an apocalyptic number.

54339931 is a deficient number, since it is larger than the sum of its proper divisors (1752933).

54339931 is a wasteful number, since it uses less digits than its factorization.

54339931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752932.

The product of its digits is 43740, while the sum is 37.

The square root of 54339931 is about 7371.5623174467. The cubic root of 54339931 is about 378.7677791579.

The spelling of 54339931 in words is "fifty-four million, three hundred thirty-nine thousand, nine hundred thirty-one".