53315020 has 36 divisors (see below), whose sum is σ = 123070752. Its totient is φ = 19386400.

The previous prime is 53315011. The next prime is 53315023. The reversal of 53315020 is 2051335.

53315020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (53315023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8596 + ... + 13435.

It is an arithmetic number, because the mean of its divisors is an integer number (3418632).

Almost surely, 2^53315020 is an apocalyptic number.

It is an amenable number.

53315020 is an abundant number, since it is smaller than the sum of its proper divisors (69755732).

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

53315020 is a wasteful number, since it uses less digits than its factorization.

53315020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22062 (or 22049 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 53315020 is about 7301.7134975292. The cubic root of 53315020 is about 376.3713228540.

Adding to 53315020 its reverse (2051335), we get a palindrome (55366355).

The spelling of 53315020 in words is "fifty-three million, three hundred fifteen thousand, twenty".