54732131 has 4 divisors (see below), whose sum is σ = 54747264. Its totient is φ = 54717000.

The previous prime is 54732127. The next prime is 54732133. The reversal of 54732131 is 13123745.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 54732131 - 2² = 54732127 is a prime.

It is a super-2 number, since 2×54732131² = 5991212327602322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54732131.

It is not an unprimeable number, because it can be changed into a prime (54732133) 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, 1406 + ... + 10556.

It is an arithmetic number, because the mean of its divisors is an integer number (13686816).

Almost surely, 2^54732131 is an apocalyptic number.

54732131 is a deficient number, since it is larger than the sum of its proper divisors (15133).

54732131 is an equidigital number, since it uses as much as digits as its factorization.

54732131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15132.

The product of its digits is 2520, while the sum is 26.

The square root of 54732131 is about 7398.1167198146. The cubic root of 54732131 is about 379.6768513139.

Adding to 54732131 its reverse (13123745), we get a palindrome (67855876).

The spelling of 54732131 in words is "fifty-four million, seven hundred thirty-two thousand, one hundred thirty-one".