51710557252 has 24 divisors (see below), whose sum is σ = 94285658880. Its totient is φ = 24787387680.

The previous prime is 51710557243. The next prime is 51710557253. The reversal of 51710557252 is 25275501715.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (51710557253) by changing a digit.

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, 1935427 + ... + 1961962.

It is an arithmetic number, because the mean of its divisors is an integer number (3928569120).

Almost surely, 2^51710557252 is an apocalyptic number.

It is an amenable number.

51710557252 is a deficient number, since it is larger than the sum of its proper divisors (42575101628).

51710557252 is a wasteful number, since it uses less digits than its factorization.

51710557252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3897531 (or 3897529 counting only the distinct ones).

The product of its (nonzero) digits is 122500, while the sum is 40.

The spelling of 51710557252 in words is "fifty-one billion, seven hundred ten million, five hundred fifty-seven thousand, two hundred fifty-two".