51279298530 has 16 divisors (see below), whose sum is σ = 123070316544. Its totient is φ = 13674479600.

The previous prime is 51279298523. The next prime is 51279298541. The reversal of 51279298530 is 3589297215.

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, 854654946 + ... + 854655005.

It is an arithmetic number, because the mean of its divisors is an integer number (7691894784).

Almost surely, 2^51279298530 is an apocalyptic number.

51279298530 is an abundant number, since it is smaller than the sum of its proper divisors (71791018014).

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

51279298530 is a wasteful number, since it uses less digits than its factorization.

51279298530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709309961.

The product of its (nonzero) digits is 1360800, while the sum is 51.

The spelling of 51279298530 in words is "fifty-one billion, two hundred seventy-nine million, two hundred ninety-eight thousand, five hundred thirty".