54977231 has 2 divisors, whose sum is σ = 54977232. Its totient is φ = 54977230.

The previous prime is 54977207. The next prime is 54977261. The reversal of 54977231 is 13277945.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54977231 is a prime.

It is a super-2 number, since 2×54977231² = 6044991856854722, 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 (54977261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27488615 + 27488616.

It is an arithmetic number, because the mean of its divisors is an integer number (27488616).

Almost surely, 2^54977231 is an apocalyptic number.

54977231 is a deficient number, since it is larger than the sum of its proper divisors (1).

54977231 is an equidigital number, since it uses as much as digits as its factorization.

54977231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 38.

The square root of 54977231 is about 7414.6632425215. The cubic root of 54977231 is about 380.2427603936.

The spelling of 54977231 in words is "fifty-four million, nine hundred seventy-seven thousand, two hundred thirty-one".