51652772 has 12 divisors (see below), whose sum is σ = 90543180. Its totient is φ = 25783296.

The previous prime is 51652771. The next prime is 51652781. The reversal of 51652772 is 27725615.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12013156 + 39639616 = 3466^2 + 6296^2 .

It is not an unprimeable number, because it can be changed into a prime (51652771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7997 + ... + 12932.

It is an arithmetic number, because the mean of its divisors is an integer number (7545265).

Almost surely, 2^51652772 is an apocalyptic number.

It is an amenable number.

51652772 is a deficient number, since it is larger than the sum of its proper divisors (38890408).

51652772 is a wasteful number, since it uses less digits than its factorization.

51652772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21550 (or 21548 counting only the distinct ones).

The product of its digits is 29400, while the sum is 35.

The square root of 51652772 is about 7186.9862946857. The cubic root of 51652772 is about 372.4184696120.

The spelling of 51652772 in words is "fifty-one million, six hundred fifty-two thousand, seven hundred seventy-two".