49771907 has 4 divisors (see below), whose sum is σ = 50228640. Its totient is φ = 49315176.

The previous prime is 49771901. The next prime is 49771921. The reversal of 49771907 is 70917794.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70917794 = 2 ⋅35458897.

It is a cyclic number.

It is not a de Polignac number, because 49771907 - 2²⁰ = 48723331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49771901) 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, 228203 + ... + 228420.

It is an arithmetic number, because the mean of its divisors is an integer number (12557160).

Almost surely, 2^49771907 is an apocalyptic number.

49771907 is a deficient number, since it is larger than the sum of its proper divisors (456733).

49771907 is a wasteful number, since it uses less digits than its factorization.

49771907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456732.

The product of its (nonzero) digits is 111132, while the sum is 44.

The square root of 49771907 is about 7054.9207649697. The cubic root of 49771907 is about 367.8420946477.

The spelling of 49771907 in words is "forty-nine million, seven hundred seventy-one thousand, nine hundred seven".