57393366 has 16 divisors (see below), whose sum is σ = 115038144. Its totient is φ = 19089224.

The previous prime is 57393361. The next prime is 57393367. The reversal of 57393366 is 66339375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57393361) 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, 7440 + ... + 13043.

It is an arithmetic number, because the mean of its divisors is an integer number (7189884).

Almost surely, 2^57393366 is an apocalyptic number.

57393366 is an abundant number, since it is smaller than the sum of its proper divisors (57644778).

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

57393366 is a wasteful number, since it uses less digits than its factorization.

57393366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20955.

The product of its digits is 306180, while the sum is 42.

The square root of 57393366 is about 7575.8409434201. The cubic root of 57393366 is about 385.7333881584.

It can be divided in two parts, 573 and 93366, that added together give a palindrome (93939).

The spelling of 57393366 in words is "fifty-seven million, three hundred ninety-three thousand, three hundred sixty-six".