52626630 has 64 divisors (see below), whose sum is σ = 145525248. Its totient is φ = 11930880.

The previous prime is 52626593. The next prime is 52626631. The reversal of 52626630 is 3662625.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52626631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26554 + ... + 28466.

It is an arithmetic number, because the mean of its divisors is an integer number (2273832).

Almost surely, 2^52626630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52626630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72762624).

52626630 is an abundant number, since it is smaller than the sum of its proper divisors (92898618).

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

52626630 is a wasteful number, since it uses less digits than its factorization.

52626630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 52626630 is about 7254.4214104227. The cubic root of 52626630 is about 374.7444303084.

The spelling of 52626630 in words is "fifty-two million, six hundred twenty-six thousand, six hundred thirty".