54257887 has 2 divisors, whose sum is σ = 54257888. Its totient is φ = 54257886.

The previous prime is 54257867. The next prime is 54257923. The reversal of 54257887 is 78875245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54257887 - 2²³ = 45869279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54257807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27128943 + 27128944.

It is an arithmetic number, because the mean of its divisors is an integer number (27128944).

Almost surely, 2^54257887 is an apocalyptic number.

54257887 is a deficient number, since it is larger than the sum of its proper divisors (1).

54257887 is an equidigital number, since it uses as much as digits as its factorization.

54257887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 627200, while the sum is 46.

The square root of 54257887 is about 7365.9953163167. The cubic root of 54257887 is about 378.5770582899.

The spelling of 54257887 in words is "fifty-four million, two hundred fifty-seven thousand, eight hundred eighty-seven".