57064650 has 48 divisors (see below), whose sum is σ = 141981984. Its totient is φ = 15167680.

The previous prime is 57064649. The next prime is 57064669. The reversal of 57064650 is 5646075.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83209 + ... + 83891.

It is an arithmetic number, because the mean of its divisors is an integer number (2957958).

Almost surely, 2^57064650 is an apocalyptic number.

57064650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57064650 is an abundant number, since it is smaller than the sum of its proper divisors (84917334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57064650 is a wasteful number, since it uses less digits than its factorization.

57064650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255 (or 1250 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 57064650 is about 7554.1147727580. The cubic root of 57064650 is about 384.9955585028.

The spelling of 57064650 in words is "fifty-seven million, sixty-four thousand, six hundred fifty".