49942777 has 4 divisors (see below), whose sum is σ = 50024080. Its totient is φ = 49861476.

The previous prime is 49942769. The next prime is 49942807. The reversal of 49942777 is 77724994.

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 49942777 - 2³ = 49942769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49942777.

It is not an unprimeable number, because it can be changed into a prime (49942747) 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, 39723 + ... + 40960.

It is an arithmetic number, because the mean of its divisors is an integer number (12506020).

Almost surely, 2^49942777 is an apocalyptic number.

It is an amenable number.

49942777 is a deficient number, since it is larger than the sum of its proper divisors (81303).

49942777 is an equidigital number, since it uses as much as digits as its factorization.

49942777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81302.

The product of its digits is 889056, while the sum is 49.

The square root of 49942777 is about 7067.0203763680. The cubic root of 49942777 is about 368.2625553258.

The spelling of 49942777 in words is "forty-nine million, nine hundred forty-two thousand, seven hundred seventy-seven".