53440744 has 32 divisors (see below), whose sum is σ = 117184320. Its totient is φ = 22369536.

The previous prime is 53440729. The next prime is 53440747. The reversal of 53440744 is 44704435.

It is not an unprimeable number, because it can be changed into a prime (53440747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8689 + ... + 13504.

It is an arithmetic number, because the mean of its divisors is an integer number (3662010).

Almost surely, 2^53440744 is an apocalyptic number.

It is an amenable number.

53440744 is an abundant number, since it is smaller than the sum of its proper divisors (63743576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53440744 is a wasteful number, since it uses less digits than its factorization.

53440744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22249 (or 22245 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 53440744 is about 7310.3176401576. The cubic root of 53440744 is about 376.6669353728. Note that the first 3 decimals are identical.

The spelling of 53440744 in words is "fifty-three million, four hundred forty thousand, seven hundred forty-four".