53390612 has 24 divisors (see below), whose sum is σ = 102477312. Its totient is φ = 24137600.

The previous prime is 53390549. The next prime is 53390621. The reversal of 53390612 is 21609335.

53390612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a pancake number, because a pancake can be divided into 53390612 parts by 10333 straight cuts.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5228 + ... + 11580.

It is an arithmetic number, because the mean of its divisors is an integer number (4269888).

Almost surely, 2^53390612 is an apocalyptic number.

It is an amenable number.

53390612 is a deficient number, since it is larger than the sum of its proper divisors (49086700).

53390612 is a wasteful number, since it uses less digits than its factorization.

53390612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6559 (or 6557 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 53390612 is about 7306.8879832662. The cubic root of 53390612 is about 376.5491165632.

Adding to 53390612 its reverse (21609335), we get a palindrome (74999947).

The spelling of 53390612 in words is "fifty-three million, three hundred ninety thousand, six hundred twelve".