57064518 has 144 divisors (see below), whose sum is σ = 156854880. Its totient is φ = 14902272.

The previous prime is 57064487. The next prime is 57064519. The reversal of 57064518 is 81546075.

57064518 is a `hidden beast` number, since 5 + 7 + 0 + 645 + 1 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57064519) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 588246 + ... + 588342.

It is an arithmetic number, because the mean of its divisors is an integer number (1089270).

Almost surely, 2^57064518 is an apocalyptic number.

57064518 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 57064518, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78427440).

57064518 is an abundant number, since it is smaller than the sum of its proper divisors (99790362).

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

57064518 is a wasteful number, since it uses less digits than its factorization.

57064518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 57064518 is about 7554.1060357927. The cubic root of 57064518 is about 384.9952616497.

The spelling of 57064518 in words is "fifty-seven million, sixty-four thousand, five hundred eighteen".