57706352 has 60 divisors (see below), whose sum is σ = 126064848. Its totient is φ = 25555200.

The previous prime is 57706339. The next prime is 57706357. The reversal of 57706352 is 25360775.

It is a super-2 number, since 2×57706352² = 6660046122295808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57706357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79013 + ... + 79739.

Almost surely, 2^57706352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57706352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63032424).

57706352 is an abundant number, since it is smaller than the sum of its proper divisors (68358496).

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

57706352 is a wasteful number, since it uses less digits than its factorization.

57706352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798 (or 781 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 35.

The square root of 57706352 is about 7596.4697063834. The cubic root of 57706352 is about 386.4332968862.

The spelling of 57706352 in words is "fifty-seven million, seven hundred six thousand, three hundred fifty-two".