52309056 has 56 divisors (see below), whose sum is σ = 139683744. Its totient is φ = 17274880.

The previous prime is 52309043. The next prime is 52309067. The reversal of 52309056 is 65090325.

It is a super-2 number, since 2×52309056² = 5472474679222272, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20491 + ... + 22901.

Almost surely, 2^52309056 is an apocalyptic number.

It is a pronic number, being equal to 7232×7233.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52309056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69841872).

52309056 is an abundant number, since it is smaller than the sum of its proper divisors (87374688).

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

52309056 is a wasteful number, since it uses less digits than its factorization.

52309056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539 (or 2529 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 52309056 is about 7232.4999827169. The cubic root of 52309056 is about 373.9891138509.

The spelling of 52309056 in words is "fifty-two million, three hundred nine thousand, fifty-six".