50277081638 has 16 divisors (see below), whose sum is σ = 86952022560. Its totient is φ = 21356635776.

The previous prime is 50277081611. The next prime is 50277081653. The reversal of 50277081638 is 83618077205.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 50277081592 and 50277081601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15888773 + ... + 15891936.

It is an arithmetic number, because the mean of its divisors is an integer number (5434501410).

Almost surely, 2^50277081638 is an apocalyptic number.

50277081638 is a deficient number, since it is larger than the sum of its proper divisors (36674940922).

50277081638 is a wasteful number, since it uses less digits than its factorization.

50277081638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31780831.

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 50277081638 in words is "fifty billion, two hundred seventy-seven million, eighty-one thousand, six hundred thirty-eight".