51061050556 has 24 divisors (see below), whose sum is σ = 92340231984. Its totient is φ = 24689884800.

The previous prime is 51061050529. The next prime is 51061050619. The reversal of 51061050556 is 65505016015.

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, 1452265 + ... + 1487008.

It is an arithmetic number, because the mean of its divisors is an integer number (3847509666).

Almost surely, 2^51061050556 is an apocalyptic number.

It is an amenable number.

51061050556 is a deficient number, since it is larger than the sum of its proper divisors (41279181428).

51061050556 is a wasteful number, since it uses less digits than its factorization.

51061050556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2939421 (or 2939419 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 51061050556 in words is "fifty-one billion, sixty-one million, fifty thousand, five hundred fifty-six".