51601847736 has 64 divisors (see below), whose sum is σ = 136655074080. Its totient is φ = 16181473280.

The previous prime is 51601847663. The next prime is 51601847767. The reversal of 51601847736 is 63774810615.

51601847736 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 15 ways as a sum of consecutive naturals, for example, 909646 + ... + 964706.

Almost surely, 2^51601847736 is an apocalyptic number.

It is an amenable number.

51601847736 is an abundant number, since it is smaller than the sum of its proper divisors (85053226344).

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

51601847736 is a wasteful number, since it uses less digits than its factorization.

51601847736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57384 (or 57380 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 51601847736 in words is "fifty-one billion, six hundred one million, eight hundred forty-seven thousand, seven hundred thirty-six".