57345536 has 40 divisors (see below), whose sum is σ = 118307904. Its totient is φ = 27740160.

The previous prime is 57345503. The next prime is 57345569. The reversal of 57345536 is 63554375.

It is an interprime number because it is at equal distance from previous prime (57345503) and next prime (57345569).

It is a self number, because there is not a number n which added to its sum of digits gives 57345536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14066 + ... + 17678.

Almost surely, 2^57345536 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 57345536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59153952).

57345536 is an abundant number, since it is smaller than the sum of its proper divisors (60962368).

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

57345536 is an equidigital number, since it uses as much as digits as its factorization.

57345536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3662 (or 3646 counting only the distinct ones).

The product of its digits is 189000, while the sum is 38.

The square root of 57345536 is about 7572.6835401989. The cubic root of 57345536 is about 385.6262052977.

The spelling of 57345536 in words is "fifty-seven million, three hundred forty-five thousand, five hundred thirty-six".