49787477 has 2 divisors, whose sum is σ = 49787478. Its totient is φ = 49787476.

The previous prime is 49787453. The next prime is 49787483. The reversal of 49787477 is 77478794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49758916 + 28561 = 7054^2 + 169^2 .

It is a cyclic number.

It is not a de Polignac number, because 49787477 - 2¹⁰ = 49786453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49787447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24893738 + 24893739.

It is an arithmetic number, because the mean of its divisors is an integer number (24893739).

Almost surely, 2^49787477 is an apocalyptic number.

It is an amenable number.

49787477 is a deficient number, since it is larger than the sum of its proper divisors (1).

49787477 is an equidigital number, since it uses as much as digits as its factorization.

49787477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2765952, while the sum is 53.

The square root of 49787477 is about 7056.0241637908. The cubic root of 49787477 is about 367.8804476373.

The spelling of 49787477 in words is "forty-nine million, seven hundred eighty-seven thousand, four hundred seventy-seven".