51256541032 has 32 divisors (see below), whose sum is σ = 97367459400. Its totient is φ = 25294050304.

The previous prime is 51256541029. The next prime is 51256541059. The reversal of 51256541032 is 23014565215.

It can be written as a sum of positive squares in 4 ways, for example, as 47399385796 + 3857155236 = 217714^2 + 62106^2 .

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, 54444 + ... + 324772.

Almost surely, 2^51256541032 is an apocalyptic number.

It is an amenable number.

51256541032 is a deficient number, since it is larger than the sum of its proper divisors (46110918368).

51256541032 is a wasteful number, since it uses less digits than its factorization.

51256541032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270645 (or 270641 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 51256541032 in words is "fifty-one billion, two hundred fifty-six million, five hundred forty-one thousand, thirty-two".