50161615009 has 16 divisors (see below), whose sum is σ = 57302820864. Its totient is φ = 43464603600.

The previous prime is 50161615001. The next prime is 50161615033. The reversal of 50161615009 is 90051616105.

50161615009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50161615009 - 2³ = 50161615001 is a prime.

It is a super-2 number, since 2×50161615009² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50161615001) 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, 278697 + ... + 421894.

It is an arithmetic number, because the mean of its divisors is an integer number (3581426304).

Almost surely, 2^50161615009 is an apocalyptic number.

It is an amenable number.

50161615009 is a deficient number, since it is larger than the sum of its proper divisors (7141205855).

50161615009 is a wasteful number, since it uses less digits than its factorization.

50161615009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700908.

The product of its (nonzero) digits is 8100, while the sum is 34.

The spelling of 50161615009 in words is "fifty billion, one hundred sixty-one million, six hundred fifteen thousand, nine".