52563620 has 24 divisors (see below), whose sum is σ = 110545344. Its totient is φ = 20994656.

The previous prime is 52563611. The next prime is 52563647. The reversal of 52563620 is 2636525.

It is a happy number.

It is a super-3 number, since 3×52563620³ (a number of 24 digits) contains 333 as substring.

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, 16259 + ... + 19221.

It is an arithmetic number, because the mean of its divisors is an integer number (4606056).

Almost surely, 2^52563620 is an apocalyptic number.

It is an amenable number.

52563620 is an abundant number, since it is smaller than the sum of its proper divisors (57981724).

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

52563620 is a wasteful number, since it uses less digits than its factorization.

52563620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3859 (or 3857 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 52563620 is about 7250.0772409679. The cubic root of 52563620 is about 374.5948097541.

The spelling of 52563620 in words is "fifty-two million, five hundred sixty-three thousand, six hundred twenty".