52240012 has 24 divisors (see below), whose sum is σ = 102053952. Its totient is φ = 23192400.

The previous prime is 52239989. The next prime is 52240043. The reversal of 52240012 is 21004225.

52240012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11914 + ... + 15697.

It is an arithmetic number, because the mean of its divisors is an integer number (4252248).

Almost surely, 2^52240012 is an apocalyptic number.

It is an amenable number.

52240012 is a deficient number, since it is larger than the sum of its proper divisors (49813940).

52240012 is a wasteful number, since it uses less digits than its factorization.

52240012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27669 (or 27667 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 52240012 is about 7227.7252299738. The cubic root of 52240012 is about 373.8244956147.

Adding to 52240012 its reverse (21004225), we get a palindrome (73244237).

The spelling of 52240012 in words is "fifty-two million, two hundred forty thousand, twelve".