53112620 has 24 divisors (see below), whose sum is σ = 121676688. Its totient is φ = 19313600.

The previous prime is 53112617. The next prime is 53112637. The reversal of 53112620 is 2621135.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 53112592 and 53112601.

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, 120491 + ... + 120930.

It is an arithmetic number, because the mean of its divisors is an integer number (5069862).

Almost surely, 2^53112620 is an apocalyptic number.

It is an amenable number.

53112620 is an abundant number, since it is smaller than the sum of its proper divisors (68564068).

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

53112620 is a wasteful number, since it uses less digits than its factorization.

53112620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241441 (or 241439 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 53112620 is about 7287.8405580803. The cubic root of 53112620 is about 375.8944456233.

Adding to 53112620 its reverse (2621135), we get a palindrome (55733755).

The spelling of 53112620 in words is "fifty-three million, one hundred twelve thousand, six hundred twenty".