51307647070 has 32 divisors (see below), whose sum is σ = 92555133408. Its totient is φ = 20478361728.

The previous prime is 51307647043. The next prime is 51307647077. The reversal of 51307647070 is 7074670315.

51307647070 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 not an unprimeable number, because it can be changed into a prime (51307647077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13096752 + ... + 13100668.

It is an arithmetic number, because the mean of its divisors is an integer number (2892347919).

Almost surely, 2^51307647070 is an apocalyptic number.

51307647070 is a deficient number, since it is larger than the sum of its proper divisors (41247486338).

51307647070 is a wasteful number, since it uses less digits than its factorization.

51307647070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6444.

The product of its (nonzero) digits is 123480, while the sum is 40.

The spelling of 51307647070 in words is "fifty-one billion, three hundred seven million, six hundred forty-seven thousand, seventy".