53620364 has 24 divisors (see below), whose sum is σ = 108450720. Its totient is φ = 22720896.

The previous prime is 53620319. The next prime is 53620387. The reversal of 53620364 is 46302635.

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, 8267 + ... + 13250.

It is an arithmetic number, because the mean of its divisors is an integer number (4518780).

Almost surely, 2^53620364 is an apocalyptic number.

It is an amenable number.

53620364 is an abundant number, since it is smaller than the sum of its proper divisors (54830356).

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

53620364 is a wasteful number, since it uses less digits than its factorization.

53620364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21617 (or 21615 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 53620364 is about 7322.5927102359. The cubic root of 53620364 is about 377.0884692713.

Adding to 53620364 its reverse (46302635), we get a palindrome (99922999).

The spelling of 53620364 in words is "fifty-three million, six hundred twenty thousand, three hundred sixty-four".