53625620 has 24 divisors (see below), whose sum is σ = 113062824. Its totient is φ = 21364736.

The previous prime is 53625613. The next prime is 53625643. The reversal of 53625620 is 2652635.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23639044 + 29986576 = 4862^2 + 5476^2 .

It is a congruent number.

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, 77 + ... + 10356.

It is an arithmetic number, because the mean of its divisors is an integer number (4710951).

Almost surely, 2^53625620 is an apocalyptic number.

It is an amenable number.

53625620 is an abundant number, since it is smaller than the sum of its proper divisors (59437204).

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

53625620 is a wasteful number, since it uses less digits than its factorization.

53625620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10699 (or 10697 counting only the distinct ones).

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

The square root of 53625620 is about 7322.9515907180. The cubic root of 53625620 is about 377.1007899152.

It can be divided in two parts, 53625 and 620, that added together give a palindrome (54245).

The spelling of 53625620 in words is "fifty-three million, six hundred twenty-five thousand, six hundred twenty".