52440356 has 6 divisors (see below), whose sum is σ = 91770630. Its totient is φ = 26220176.

The previous prime is 52440347. The next prime is 52440371. The reversal of 52440356 is 65304425.

It can be written as a sum of positive squares in only one way, i.e., 47886400 + 4553956 = 6920^2 + 2134^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6555041 + ... + 6555048.

It is an arithmetic number, because the mean of its divisors is an integer number (15295105).

Almost surely, 2^52440356 is an apocalyptic number.

It is an amenable number.

52440356 is a deficient number, since it is larger than the sum of its proper divisors (39330274).

52440356 is a wasteful number, since it uses less digits than its factorization.

52440356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13110093 (or 13110091 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 52440356 is about 7241.5713764348. The cubic root of 52440356 is about 374.3017668020.

The spelling of 52440356 in words is "fifty-two million, four hundred forty thousand, three hundred fifty-six".