53442628 has 12 divisors (see below), whose sum is σ = 99026172. Its totient is φ = 25149440.

The previous prime is 53442589. The next prime is 53442659. The reversal of 53442628 is 82624435.

53442628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 37185604 + 16257024 = 6098^2 + 4032^2 .

It is a super-2 number, since 2×53442628² = 5712228975092768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 53442593 and 53442602.

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, 392893 + ... + 393028.

It is an arithmetic number, because the mean of its divisors is an integer number (8252181).

Almost surely, 2^53442628 is an apocalyptic number.

It is an amenable number.

53442628 is a deficient number, since it is larger than the sum of its proper divisors (45583544).

53442628 is a wasteful number, since it uses less digits than its factorization.

53442628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785942 (or 785940 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

The square root of 53442628 is about 7310.4464979918. The cubic root of 53442628 is about 376.6713616595.

The spelling of 53442628 in words is "fifty-three million, four hundred forty-two thousand, six hundred twenty-eight".