52565274 has 56 divisors (see below), whose sum is σ = 122136192. Its totient is φ = 16941960.

The previous prime is 52565273. The next prime is 52565297. The reversal of 52565274 is 47256525.

52565274 is a `hidden beast` number, since 525 + 65 + 2 + 74 = 666.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52565273) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 44617 + ... + 45779.

Almost surely, 2^52565274 is an apocalyptic number.

52565274 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 52565274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61068096).

52565274 is an abundant number, since it is smaller than the sum of its proper divisors (69570918).

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

52565274 is a wasteful number, since it uses less digits than its factorization.

52565274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214 (or 1199 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 52565274 is about 7250.1913078208. The cubic root of 52565274 is about 374.5987387917.

The spelling of 52565274 in words is "fifty-two million, five hundred sixty-five thousand, two hundred seventy-four".