50646720151 has 8 divisors (see below), whose sum is σ = 51570753920. Its totient is φ = 49728909312.

The previous prime is 50646720133. The next prime is 50646720197. The reversal of 50646720151 is 15102764605.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50646720151 - 2⁹ = 50646719639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50646720151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50616720151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1539306 + ... + 1571863.

It is an arithmetic number, because the mean of its divisors is an integer number (6446344240).

Almost surely, 2^50646720151 is an apocalyptic number.

50646720151 is a deficient number, since it is larger than the sum of its proper divisors (924033769).

50646720151 is a wasteful number, since it uses less digits than its factorization.

50646720151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3111465.

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 50646720151 in words is "fifty billion, six hundred forty-six million, seven hundred twenty thousand, one hundred fifty-one".