57393456 has 40 divisors (see below), whose sum is σ = 148561920. Its totient is φ = 19093056.

The previous prime is 57393451. The next prime is 57393461. The reversal of 57393456 is 65439375.

It is an interprime number because it is at equal distance from previous prime (57393451) and next prime (57393461).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57393451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33681 + ... + 35343.

It is an arithmetic number, because the mean of its divisors is an integer number (3714048).

Almost surely, 2^57393456 is an apocalyptic number.

It is an amenable number.

57393456 is an abundant number, since it is smaller than the sum of its proper divisors (91168464).

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

57393456 is a wasteful number, since it uses less digits than its factorization.

57393456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393 (or 2387 counting only the distinct ones).

The product of its digits is 340200, while the sum is 42.

The square root of 57393456 is about 7575.8468833524. The cubic root of 57393456 is about 385.7335897844.

The spelling of 57393456 in words is "fifty-seven million, three hundred ninety-three thousand, four hundred fifty-six".