50616651505 has 8 divisors (see below), whose sum is σ = 69417122112. Its totient is φ = 34708561008.

The previous prime is 50616651493. The next prime is 50616651509. The reversal of 50616651505 is 50515661605.

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 50616651505 - 2⁹ = 50616650993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50616651509) 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, 723094987 + ... + 723095056.

It is an arithmetic number, because the mean of its divisors is an integer number (8677140264).

Almost surely, 2^50616651505 is an apocalyptic number.

It is an amenable number.

50616651505 is a deficient number, since it is larger than the sum of its proper divisors (18800470607).

50616651505 is a wasteful number, since it uses less digits than its factorization.

50616651505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446190055.

The product of its (nonzero) digits is 135000, while the sum is 40.

It can be divided in two parts, 5061 and 6651505, that added together give a palindrome (6656566).

The spelling of 50616651505 in words is "fifty billion, six hundred sixteen million, six hundred fifty-one thousand, five hundred five".