57050649 has 40 divisors (see below), whose sum is σ = 90047232. Its totient is φ = 35925120.

The previous prime is 57050641. The next prime is 57050663. The reversal of 57050649 is 94605075.

57050649 is a `hidden beast` number, since 5 + 7 + 0 + 5 + 0 + 649 = 666.

It is not a de Polignac number, because 57050649 - 2³ = 57050641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57050641) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 210384 + ... + 210654.

Almost surely, 2^57050649 is an apocalyptic number.

It is an amenable number.

57050649 is a deficient number, since it is larger than the sum of its proper divisors (32996583).

57050649 is a wasteful number, since it uses less digits than its factorization.

57050649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419 (or 410 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 57050649 is about 7553.1880024265. The cubic root of 57050649 is about 384.9640692841.

The spelling of 57050649 in words is "fifty-seven million, fifty thousand, six hundred forty-nine".