54731257 has 8 divisors (see below), whose sum is σ = 62596800. Its totient is φ = 46877424.

The previous prime is 54731221. The next prime is 54731297. The reversal of 54731257 is 75213745.

54731257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54731257 - 2⁷ = 54731129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54731297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12594 + ... + 16372.

It is an arithmetic number, because the mean of its divisors is an integer number (7824600).

Almost surely, 2^54731257 is an apocalyptic number.

It is an amenable number.

54731257 is a deficient number, since it is larger than the sum of its proper divisors (7865543).

54731257 is a wasteful number, since it uses less digits than its factorization.

54731257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5855.

The product of its digits is 29400, while the sum is 34.

The square root of 54731257 is about 7398.0576504918. The cubic root of 54731257 is about 379.6748303235.

The spelling of 54731257 in words is "fifty-four million, seven hundred thirty-one thousand, two hundred fifty-seven".