54257949 has 12 divisors (see below), whose sum is σ = 78439296. Its totient is φ = 36141192.

The previous prime is 54257941. The next prime is 54257953. The reversal of 54257949 is 94975245.

It is not a de Polignac number, because 54257949 - 2³ = 54257941 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54257941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14754 + ... + 18060.

It is an arithmetic number, because the mean of its divisors is an integer number (6536608).

Almost surely, 2^54257949 is an apocalyptic number.

It is an amenable number.

54257949 is a deficient number, since it is larger than the sum of its proper divisors (24181347).

54257949 is a wasteful number, since it uses less digits than its factorization.

54257949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5136 (or 5133 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 54257949 is about 7365.9995248439. Note that the first 3 decimals coincide. The cubic root of 54257949 is about 378.5772024887.

The spelling of 54257949 in words is "fifty-four million, two hundred fifty-seven thousand, nine hundred forty-nine".