53390032 has 20 divisors (see below), whose sum is σ = 104608260. Its totient is φ = 26394368.

The previous prime is 53390023. The next prime is 53390041. The reversal of 53390032 is 23009335.

53390032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53390023) and next prime (53390041).

It can be written as a sum of positive squares in 2 ways, for example, as 11451456 + 41938576 = 3384^2 + 6476^2 .

It is a super-2 number, since 2×53390032² = 5700991033922048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53389979 and 53390006.

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 3 ways as a sum of consecutive naturals, for example, 17323 + ... + 20170.

It is an arithmetic number, because the mean of its divisors is an integer number (5230413).

Almost surely, 2^53390032 is an apocalyptic number.

It is an amenable number.

53390032 is a deficient number, since it is larger than the sum of its proper divisors (51218228).

53390032 is a wasteful number, since it uses less digits than its factorization.

53390032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37590 (or 37584 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 25.

The square root of 53390032 is about 7306.8482945795. The cubic root of 53390032 is about 376.5477530321.

Adding to 53390032 its reverse (23009335), we get a palindrome (76399367).

The spelling of 53390032 in words is "fifty-three million, three hundred ninety thousand, thirty-two".