50142777 has 4 divisors (see below), whose sum is σ = 66857040. Its totient is φ = 33428516.

The previous prime is 50142761. The next prime is 50142797. The reversal of 50142777 is 77724105.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50142777 - 2⁴ = 50142761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50142797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8357127 + ... + 8357132.

It is an arithmetic number, because the mean of its divisors is an integer number (16714260).

Almost surely, 2^50142777 is an apocalyptic number.

It is an amenable number.

50142777 is a deficient number, since it is larger than the sum of its proper divisors (16714263).

50142777 is a wasteful number, since it uses less digits than its factorization.

50142777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16714262.

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 50142777 is about 7081.1564733453. The cubic root of 50142777 is about 368.7534799250.

The spelling of 50142777 in words is "fifty million, one hundred forty-two thousand, seven hundred seventy-seven".