57146790 has 32 divisors (see below), whose sum is σ = 137479680. Its totient is φ = 15202784.

The previous prime is 57146767. The next prime is 57146797. The reversal of 57146790 is 9764175.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57146797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11971 + ... + 16049.

It is an arithmetic number, because the mean of its divisors is an integer number (4296240).

Almost surely, 2^57146790 is an apocalyptic number.

57146790 is an abundant number, since it is smaller than the sum of its proper divisors (80332890).

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

57146790 is a wasteful number, since it uses less digits than its factorization.

57146790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4556.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 57146790 is about 7559.5495897573. The cubic root of 57146790 is about 385.1801933810.

The spelling of 57146790 in words is "fifty-seven million, one hundred forty-six thousand, seven hundred ninety".