52738440 has 64 divisors (see below), whose sum is σ = 163330560. Its totient is φ = 13608960.

The previous prime is 52738429. The next prime is 52738459. The reversal of 52738440 is 4483725.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3369 + ... + 10808.

It is an arithmetic number, because the mean of its divisors is an integer number (2552040).

Almost surely, 2^52738440 is an apocalyptic number.

It is an amenable number.

52738440 is an abundant number, since it is smaller than the sum of its proper divisors (110592120).

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

52738440 is a wasteful number, since it uses less digits than its factorization.

52738440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14222 (or 14218 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 52738440 is about 7262.1236563419. The cubic root of 52738440 is about 375.0096353080.

The spelling of 52738440 in words is "fifty-two million, seven hundred thirty-eight thousand, four hundred forty".