52646556 has 48 divisors (see below), whose sum is σ = 128199680. Its totient is φ = 16796160.

The previous prime is 52646537. The next prime is 52646557. The reversal of 52646556 is 65564625.

It is a happy number.

It is a super-2 number, since 2×52646556² = 5543319717322272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52646557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35355 + ... + 36813.

Almost surely, 2^52646556 is an apocalyptic number.

It is an amenable number.

52646556 is an abundant number, since it is smaller than the sum of its proper divisors (75553124).

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

52646556 is a wasteful number, since it uses less digits than its factorization.

52646556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594 (or 1592 counting only the distinct ones).

The product of its digits is 216000, while the sum is 39.

The square root of 52646556 is about 7255.7946497954. The cubic root of 52646556 is about 374.7917207852.

The spelling of 52646556 in words is "fifty-two million, six hundred forty-six thousand, five hundred fifty-six".