51603867276 has 24 divisors (see below), whose sum is σ = 129671256624. Its totient is φ = 15878112960.

The previous prime is 51603867241. The next prime is 51603867397. The reversal of 51603867276 is 67276830615.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165396855 + ... + 165397166.

It is an arithmetic number, because the mean of its divisors is an integer number (5402969026).

Almost surely, 2^51603867276 is an apocalyptic number.

It is an amenable number.

51603867276 is an abundant number, since it is smaller than the sum of its proper divisors (78067389348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51603867276 is a wasteful number, since it uses less digits than its factorization.

51603867276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330794041 (or 330794039 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 51.

The spelling of 51603867276 in words is "fifty-one billion, six hundred three million, eight hundred sixty-seven thousand, two hundred seventy-six".