51241335556 has 48 divisors (see below), whose sum is σ = 92394364608. Its totient is φ = 24854544000.

The previous prime is 51241335533. The next prime is 51241335571. The reversal of 51241335556 is 65553314215.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24044611 + ... + 24046741.

It is an arithmetic number, because the mean of its divisors is an integer number (1924882596).

Almost surely, 2^51241335556 is an apocalyptic number.

It is an amenable number.

51241335556 is a deficient number, since it is larger than the sum of its proper divisors (41153029052).

51241335556 is a wasteful number, since it uses less digits than its factorization.

51241335556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3412 (or 3410 counting only the distinct ones).

The product of its digits is 270000, while the sum is 40.

The spelling of 51241335556 in words is "fifty-one billion, two hundred forty-one million, three hundred thirty-five thousand, five hundred fifty-six".