57290814 has 80 divisors (see below), whose sum is σ = 154492800. Its totient is φ = 15501456.

The previous prime is 57290809. The next prime is 57290851. The reversal of 57290814 is 41809275.

57290814 is a `hidden beast` number, since 572 + 9 + 0 + 81 + 4 = 666.

57290814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20217 + ... + 22875.

It is an arithmetic number, because the mean of its divisors is an integer number (1931160).

Almost surely, 2^57290814 is an apocalyptic number.

57290814 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 57290814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77246400).

57290814 is an abundant number, since it is smaller than the sum of its proper divisors (97201986).

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

57290814 is a wasteful number, since it uses less digits than its factorization.

57290814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699 (or 2690 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 57290814 is about 7569.0695597279. The cubic root of 57290814 is about 385.5035049417.

The spelling of 57290814 in words is "fifty-seven million, two hundred ninety thousand, eight hundred fourteen".