57254491 has 12 divisors (see below), whose sum is σ = 68229000. Its totient is φ = 47876640.

The previous prime is 57254473. The next prime is 57254513. The reversal of 57254491 is 19445275.

It is not a de Polignac number, because 57254491 - 2⁵ = 57254459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57254491.

It is not an unprimeable number, because it can be changed into a prime (57254401) 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, 12241 + ... + 16258.

It is an arithmetic number, because the mean of its divisors is an integer number (5685750).

Almost surely, 2^57254491 is an apocalyptic number.

57254491 is a deficient number, since it is larger than the sum of its proper divisors (10974509).

57254491 is a wasteful number, since it uses less digits than its factorization.

57254491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28554 (or 28547 counting only the distinct ones).

The product of its digits is 50400, while the sum is 37.

The square root of 57254491 is about 7566.6697430243. The cubic root of 57254491 is about 385.4220165776.

The spelling of 57254491 in words is "fifty-seven million, two hundred fifty-four thousand, four hundred ninety-one".