57749830 has 8 divisors (see below), whose sum is σ = 103949712. Its totient is φ = 23099928.

The previous prime is 57749801. The next prime is 57749837. The reversal of 57749830 is 3894775.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57749837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2887482 + ... + 2887501.

It is an arithmetic number, because the mean of its divisors is an integer number (12993714).

Almost surely, 2^57749830 is an apocalyptic number.

57749830 is a deficient number, since it is larger than the sum of its proper divisors (46199882).

57749830 is a wasteful number, since it uses less digits than its factorization.

57749830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5774990.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 57749830 is about 7599.3308915983. The cubic root of 57749830 is about 386.5303233457.

The spelling of 57749830 in words is "fifty-seven million, seven hundred forty-nine thousand, eight hundred thirty".