57049828 has 12 divisors (see below), whose sum is σ = 108913392. Its totient is φ = 25931720.

The previous prime is 57049813. The next prime is 57049829. The reversal of 57049828 is 82894075.

It is not an unprimeable number, because it can be changed into a prime (57049829) 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, 648250 + ... + 648337.

It is an arithmetic number, because the mean of its divisors is an integer number (9076116).

Almost surely, 2^57049828 is an apocalyptic number.

It is an amenable number.

57049828 is a deficient number, since it is larger than the sum of its proper divisors (51863564).

57049828 is a wasteful number, since it uses less digits than its factorization.

57049828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296602 (or 1296600 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 57049828 is about 7553.1336543186. The cubic root of 57049828 is about 384.9622226384.

The spelling of 57049828 in words is "fifty-seven million, forty-nine thousand, eight hundred twenty-eight".