54791457 has 24 divisors (see below), whose sum is σ = 87064992. Its totient is φ = 30542400.

The previous prime is 54791449. The next prime is 54791479. The reversal of 54791457 is 75419745.

It is a happy number.

It is not a de Polignac number, because 54791457 - 2³ = 54791449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54791057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1482 + ... + 10572.

It is an arithmetic number, because the mean of its divisors is an integer number (3627708).

Almost surely, 2^54791457 is an apocalyptic number.

It is an amenable number.

54791457 is a deficient number, since it is larger than the sum of its proper divisors (32273535).

54791457 is a wasteful number, since it uses less digits than its factorization.

54791457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9149 (or 9142 counting only the distinct ones).

The product of its digits is 176400, while the sum is 42.

The square root of 54791457 is about 7402.1251678150. The cubic root of 54791457 is about 379.8139832870.

The spelling of 54791457 in words is "fifty-four million, seven hundred ninety-one thousand, four hundred fifty-seven".