54372131 has 4 divisors (see below), whose sum is σ = 59315064. Its totient is φ = 49429200.

The previous prime is 54372127. The next prime is 54372139. The reversal of 54372131 is 13127345.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54372131 - 2² = 54372127 is a prime.

It is a super-2 number, since 2×54372131² = 5912657258962322, 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 54372131.

It is not an unprimeable number, because it can be changed into a prime (54372139) 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, 2471450 + ... + 2471471.

It is an arithmetic number, because the mean of its divisors is an integer number (14828766).

Almost surely, 2^54372131 is an apocalyptic number.

54372131 is a deficient number, since it is larger than the sum of its proper divisors (4942933).

54372131 is a wasteful number, since it uses less digits than its factorization.

54372131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4942932.

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

The square root of 54372131 is about 7373.7460628910. The cubic root of 54372131 is about 378.8425793648.

Adding to 54372131 its reverse (13127345), we get a palindrome (67499476).

The spelling of 54372131 in words is "fifty-four million, three hundred seventy-two thousand, one hundred thirty-one".