51055605042 has 32 divisors (see below), whose sum is σ = 111829757760. Its totient is φ = 15443154240.

The previous prime is 51055604989. The next prime is 51055605053. The reversal of 51055605042 is 24050655015.

It is a junction number, because it is equal to n+sod(n) for n = 51055604994 and 51055605012.

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, 5542509 + ... + 5551712.

It is an arithmetic number, because the mean of its divisors is an integer number (3494679930).

Almost surely, 2^51055605042 is an apocalyptic number.

51055605042 is an abundant number, since it is smaller than the sum of its proper divisors (60774152718).

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

51055605042 is a wasteful number, since it uses less digits than its factorization.

51055605042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11094298.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 51055605042 in words is "fifty-one billion, fifty-five million, six hundred five thousand, forty-two".