57930249 has 16 divisors (see below), whose sum is σ = 84357504. Its totient is φ = 35145600.

The previous prime is 57930247. The next prime is 57930287. The reversal of 57930249 is 94203975.

It is not a de Polignac number, because 57930249 - 2¹ = 57930247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (57930247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7692 + ... + 13229.

It is an arithmetic number, because the mean of its divisors is an integer number (5272344).

Almost surely, 2^57930249 is an apocalyptic number.

It is an amenable number.

57930249 is a deficient number, since it is larger than the sum of its proper divisors (26427255).

57930249 is a wasteful number, since it uses less digits than its factorization.

57930249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21008.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 57930249 is about 7611.1923507424. The cubic root of 57930249 is about 386.9324308316.

The spelling of 57930249 in words is "fifty-seven million, nine hundred thirty thousand, two hundred forty-nine".