51006065574 has 64 divisors (see below), whose sum is σ = 107304468480. Its totient is φ = 16141952160.

The previous prime is 51006065557. The next prime is 51006065603. The reversal of 51006065574 is 47556060015.

51006065574 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5734959 + ... + 5743845.

It is an arithmetic number, because the mean of its divisors is an integer number (1676632320).

Almost surely, 2^51006065574 is an apocalyptic number.

51006065574 is an abundant number, since it is smaller than the sum of its proper divisors (56298402906).

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

51006065574 is a wasteful number, since it uses less digits than its factorization.

51006065574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9505.

The product of its (nonzero) digits is 126000, while the sum is 39.

The spelling of 51006065574 in words is "fifty-one billion, six million, sixty-five thousand, five hundred seventy-four".