54556231 has 2 divisors, whose sum is σ = 54556232. Its totient is φ = 54556230.

The previous prime is 54556223. The next prime is 54556259. The reversal of 54556231 is 13265545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54556231 - 2³ = 54556223 is a prime.

It is a super-2 number, since 2×54556231² = 5952764681850722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54556193 and 54556202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54556211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27278115 + 27278116.

It is an arithmetic number, because the mean of its divisors is an integer number (27278116).

Almost surely, 2^54556231 is an apocalyptic number.

54556231 is a deficient number, since it is larger than the sum of its proper divisors (1).

54556231 is an equidigital number, since it uses as much as digits as its factorization.

54556231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18000, while the sum is 31.

The square root of 54556231 is about 7386.2189921502. The cubic root of 54556231 is about 379.2696753070.

The spelling of 54556231 in words is "fifty-four million, five hundred fifty-six thousand, two hundred thirty-one".