52545856 has 56 divisors (see below), whose sum is σ = 115031520. Its totient is φ = 23616000.

The previous prime is 52545853. The next prime is 52545877. The reversal of 52545856 is 65854525.

It is a super-2 number, since 2×52545856² = 5522133965545472, 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 not an unprimeable number, because it can be changed into a prime (52545851) 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, 70735 + ... + 71473.

Almost surely, 2^52545856 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 52545856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57515760).

52545856 is an abundant number, since it is smaller than the sum of its proper divisors (62485664).

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

52545856 is a wasteful number, since it uses less digits than its factorization.

52545856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863 (or 853 counting only the distinct ones).

The product of its digits is 240000, while the sum is 40.

The square root of 52545856 is about 7248.8520470486. The cubic root of 52545856 is about 374.5526065981.

The spelling of 52545856 in words is "fifty-two million, five hundred forty-five thousand, eight hundred fifty-six".