52247012 has 6 divisors (see below), whose sum is σ = 91432278. Its totient is φ = 26123504.

The previous prime is 52247011. The next prime is 52247023. The reversal of 52247012 is 21074225.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 49336576 + 2910436 = 7024^2 + 1706^2 .

It is not an unprimeable number, because it can be changed into a prime (52247011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6530873 + ... + 6530880.

It is an arithmetic number, because the mean of its divisors is an integer number (15238713).

Almost surely, 2^52247012 is an apocalyptic number.

It is an amenable number.

52247012 is a deficient number, since it is larger than the sum of its proper divisors (39185266).

52247012 is a wasteful number, since it uses less digits than its factorization.

52247012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13061757 (or 13061755 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 52247012 is about 7228.2094601637. The cubic root of 52247012 is about 373.8411919776.

The spelling of 52247012 in words is "fifty-two million, two hundred forty-seven thousand, twelve".