52657157930 has 32 divisors (see below), whose sum is σ = 102085283664. Its totient is φ = 19440470016.

The previous prime is 52657157879. The next prime is 52657157951. The reversal of 52657157930 is 3975175625.

It can be written as a sum of positive squares in 8 ways, for example, as 218089 + 52656939841 = 467^2 + 229471^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1579514 + ... + 1612506.

Almost surely, 2^52657157930 is an apocalyptic number.

52657157930 is a deficient number, since it is larger than the sum of its proper divisors (49428125734).

52657157930 is a wasteful number, since it uses less digits than its factorization.

52657157930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45290.

The product of its (nonzero) digits is 1984500, while the sum is 50.

The spelling of 52657157930 in words is "fifty-two billion, six hundred fifty-seven million, one hundred fifty-seven thousand, nine hundred thirty".