57057246 has 12 divisors (see below), whose sum is σ = 123624072. Its totient is φ = 19019076.

The previous prime is 57057241. The next prime is 57057251. The reversal of 57057246 is 64275075.

It is an interprime number because it is at equal distance from previous prime (57057241) and next prime (57057251).

It is a super-2 number, since 2×57057246² = 6511058642209032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57057246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57057241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1584906 + ... + 1584941.

It is an arithmetic number, because the mean of its divisors is an integer number (10302006).

Almost surely, 2^57057246 is an apocalyptic number.

57057246 is an abundant number, since it is smaller than the sum of its proper divisors (66566826).

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

57057246 is a wasteful number, since it uses less digits than its factorization.

57057246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3169855 (or 3169852 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 57057246 is about 7553.6246928213. The cubic root of 57057246 is about 384.9789070358.

The spelling of 57057246 in words is "fifty-seven million, fifty-seven thousand, two hundred forty-six".