54427257 has 18 divisors (see below), whose sum is σ = 79439802. Its totient is φ = 35908704.

The previous prime is 54427211. The next prime is 54427271. The reversal of 54427257 is 75272445.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 29387241 + 25040016 = 5421^2 + 5004^2 .

It is not a de Polignac number, because 54427257 - 2⁶ = 54427193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54427957) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 173733 + ... + 174045.

Almost surely, 2^54427257 is an apocalyptic number.

It is an amenable number.

54427257 is a deficient number, since it is larger than the sum of its proper divisors (25012545).

54427257 is a wasteful number, since it uses less digits than its factorization.

54427257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597 (or 455 counting only the distinct ones).

The product of its digits is 78400, while the sum is 36.

The square root of 54427257 is about 7377.4831074019. The cubic root of 54427257 is about 378.9705678627.

The spelling of 54427257 in words is "fifty-four million, four hundred twenty-seven thousand, two hundred fifty-seven".