54872231 has 2 divisors, whose sum is σ = 54872232. Its totient is φ = 54872230.

The previous prime is 54872219. The next prime is 54872239. The reversal of 54872231 is 13227845.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54872231 is a prime.

It is a super-2 number, since 2×54872231² = 6021923469834722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54872239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27436115 + 27436116.

It is an arithmetic number, because the mean of its divisors is an integer number (27436116).

Almost surely, 2^54872231 is an apocalyptic number.

54872231 is a deficient number, since it is larger than the sum of its proper divisors (1).

54872231 is an equidigital number, since it uses as much as digits as its factorization.

54872231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 32.

The square root of 54872231 is about 7407.5792942094. The cubic root of 54872231 is about 380.0005332402. Note that the first 3 decimals are identical.

The spelling of 54872231 in words is "fifty-four million, eight hundred seventy-two thousand, two hundred thirty-one".