50616638385 has 16 divisors (see below), whose sum is σ = 81024149760. Its totient is φ = 26983031040.

The previous prime is 50616638383. The next prime is 50616638393. The reversal of 50616638385 is 58383661605.

It is not a de Polignac number, because 50616638385 - 2¹ = 50616638383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50616638383) 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, 748345 + ... + 813174.

It is an arithmetic number, because the mean of its divisors is an integer number (5064009360).

Almost surely, 2^50616638385 is an apocalyptic number.

It is an amenable number.

50616638385 is a deficient number, since it is larger than the sum of its proper divisors (30407511375).

50616638385 is a wasteful number, since it uses less digits than its factorization.

50616638385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563688.

The product of its (nonzero) digits is 3110400, while the sum is 51.

The spelling of 50616638385 in words is "fifty billion, six hundred sixteen million, six hundred thirty-eight thousand, three hundred eighty-five".