52440279 has 16 divisors (see below), whose sum is σ = 71270400. Its totient is φ = 34291296.

The previous prime is 52440277. The next prime is 52440301. The reversal of 52440279 is 97204425.

It is not a de Polignac number, because 52440279 - 2¹ = 52440277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52440277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40362 + ... + 41640.

It is an arithmetic number, because the mean of its divisors is an integer number (4454400).

Almost surely, 2^52440279 is an apocalyptic number.

52440279 is a deficient number, since it is larger than the sum of its proper divisors (18830121).

52440279 is a wasteful number, since it uses less digits than its factorization.

52440279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 52440279 is about 7241.5660599072. The cubic root of 52440279 is about 374.3015836018.

The spelling of 52440279 in words is "fifty-two million, four hundred forty thousand, two hundred seventy-nine".