53406944 has 24 divisors (see below), whose sum is σ = 105325920. Its totient is φ = 26657536.

The previous prime is 53406919. The next prime is 53406949. The reversal of 53406944 is 44960435.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53406949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24857 + ... + 26919.

It is an arithmetic number, because the mean of its divisors is an integer number (4388580).

Almost surely, 2^53406944 is an apocalyptic number.

It is an amenable number.

53406944 is a deficient number, since it is larger than the sum of its proper divisors (51918976).

53406944 is a wasteful number, since it uses less digits than its factorization.

53406944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2882 (or 2874 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 53406944 is about 7308.0054734517. The cubic root of 53406944 is about 376.5875076647.

The spelling of 53406944 in words is "fifty-three million, four hundred six thousand, nine hundred forty-four".