52563630 has 64 divisors (see below), whose sum is σ = 147552768. Its totient is φ = 11733120.

The previous prime is 52563611. The next prime is 52563647. The reversal of 52563630 is 3636525.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6120 + ... + 11940.

It is an arithmetic number, because the mean of its divisors is an integer number (2305512).

Almost surely, 2^52563630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52563630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73776384).

52563630 is an abundant number, since it is smaller than the sum of its proper divisors (94989138).

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

52563630 is a wasteful number, since it uses less digits than its factorization.

52563630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5881.

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 52563630 is about 7250.0779306156. The cubic root of 52563630 is about 374.5948335091.

The spelling of 52563630 in words is "fifty-two million, five hundred sixty-three thousand, six hundred thirty".