53908444 has 12 divisors (see below), whose sum is σ = 94503024. Its totient is φ = 26907584.

The previous prime is 53908433. The next prime is 53908451. The reversal of 53908444 is 44480935.

It is a super-2 number, since 2×53908444² = 5812240669002272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8992 + ... + 13735.

It is an arithmetic number, because the mean of its divisors is an integer number (7875252).

Almost surely, 2^53908444 is an apocalyptic number.

It is an amenable number.

53908444 is a deficient number, since it is larger than the sum of its proper divisors (40594580).

53908444 is a wasteful number, since it uses less digits than its factorization.

53908444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23324 (or 23322 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 53908444 is about 7342.2369888202. The cubic root of 53908444 is about 377.7625768457.

The spelling of 53908444 in words is "fifty-three million, nine hundred eight thousand, four hundred forty-four".