57433340 has 24 divisors (see below), whose sum is σ = 124770240. Its totient is φ = 22180928.

The previous prime is 57433339. The next prime is 57433349. The reversal of 57433340 is 4333475.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57433349) 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, 48932 + ... + 50091.

It is an arithmetic number, because the mean of its divisors is an integer number (5198760).

Almost surely, 2^57433340 is an apocalyptic number.

It is an amenable number.

57433340 is an abundant number, since it is smaller than the sum of its proper divisors (67336900).

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

57433340 is a wasteful number, since it uses less digits than its factorization.

57433340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99061 (or 99059 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 29.

The square root of 57433340 is about 7578.4787391666. The cubic root of 57433340 is about 385.8229207363.

The spelling of 57433340 in words is "fifty-seven million, four hundred thirty-three thousand, three hundred forty".