54245831 has 2 divisors, whose sum is σ = 54245832. Its totient is φ = 54245830.

The previous prime is 54245803. The next prime is 54245843. The reversal of 54245831 is 13854245.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54245831 is a prime.

It is a super-2 number, since 2×54245831² = 5885220361761122, 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 (54245731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27122915 + 27122916.

It is an arithmetic number, because the mean of its divisors is an integer number (27122916).

Almost surely, 2^54245831 is an apocalyptic number.

54245831 is a deficient number, since it is larger than the sum of its proper divisors (1).

54245831 is an equidigital number, since it uses as much as digits as its factorization.

54245831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19200, while the sum is 32.

The square root of 54245831 is about 7365.1769157299. The cubic root of 54245831 is about 378.5490165104.

The spelling of 54245831 in words is "fifty-four million, two hundred forty-five thousand, eight hundred thirty-one".