51347990076 has 12 divisors (see below), whose sum is σ = 119811976872. Its totient is φ = 17115996688.

The previous prime is 51347990027. The next prime is 51347990077. The reversal of 51347990076 is 67009974315.

51347990076 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51347990077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2139499575 + ... + 2139499598.

It is an arithmetic number, because the mean of its divisors is an integer number (9984331406).

Almost surely, 2^51347990076 is an apocalyptic number.

It is an amenable number.

51347990076 is an abundant number, since it is smaller than the sum of its proper divisors (68463986796).

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

51347990076 is a wasteful number, since it uses less digits than its factorization.

51347990076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4278999180 (or 4278999178 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 51.

The spelling of 51347990076 in words is "fifty-one billion, three hundred forty-seven million, nine hundred ninety thousand, seventy-six".