51529616830 has 16 divisors (see below), whose sum is σ = 93430344240. Its totient is φ = 20461394752.

The previous prime is 51529616797. The next prime is 51529616863. The reversal of 51529616830 is 3861692515.

It is an interprime number because it is at equal distance from previous prime (51529616797) and next prime (51529616863).

It is a congruent number.

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, 18805060 + ... + 18807799.

It is an arithmetic number, because the mean of its divisors is an integer number (5839396515).

Almost surely, 2^51529616830 is an apocalyptic number.

51529616830 is a deficient number, since it is larger than the sum of its proper divisors (41900727410).

51529616830 is a wasteful number, since it uses less digits than its factorization.

51529616830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37613003.

The product of its (nonzero) digits is 388800, while the sum is 46.

The spelling of 51529616830 in words is "fifty-one billion, five hundred twenty-nine million, six hundred sixteen thousand, eight hundred thirty".