49723771 has 2 divisors, whose sum is σ = 49723772. Its totient is φ = 49723770.

The previous prime is 49723763. The next prime is 49723787. The reversal of 49723771 is 17732794.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49723771 - 2³ = 49723763 is a prime.

It is not a weakly prime, because it can be changed into another prime (49723571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24861885 + 24861886.

It is an arithmetic number, because the mean of its divisors is an integer number (24861886).

Almost surely, 2^49723771 is an apocalyptic number.

49723771 is a deficient number, since it is larger than the sum of its proper divisors (1).

49723771 is an equidigital number, since it uses as much as digits as its factorization.

49723771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 74088, while the sum is 40.

The square root of 49723771 is about 7051.5084201893. The cubic root of 49723771 is about 367.7234724545.

The spelling of 49723771 in words is "forty-nine million, seven hundred twenty-three thousand, seven hundred seventy-one".