54920231 has 2 divisors, whose sum is σ = 54920232. Its totient is φ = 54920230.

The previous prime is 54920227. The next prime is 54920233. The reversal of 54920231 is 13202945.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54920231 - 2² = 54920227 is a prime.

It is a super-2 number, since 2×54920231² = 6032463546186722, which contains 22 as substring.

Together with 54920233, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54920231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54920233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27460115 + 27460116.

It is an arithmetic number, because the mean of its divisors is an integer number (27460116).

Almost surely, 2^54920231 is an apocalyptic number.

54920231 is a deficient number, since it is larger than the sum of its proper divisors (1).

54920231 is an equidigital number, since it uses as much as digits as its factorization.

54920231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 54920231 is about 7410.8185107989. The cubic root of 54920231 is about 380.1113039604. Note that the first 3 decimals are identical.

The spelling of 54920231 in words is "fifty-four million, nine hundred twenty thousand, two hundred thirty-one".