49679477 has 2 divisors, whose sum is σ = 49679478. Its totient is φ = 49679476.

The previous prime is 49679447. The next prime is 49679507. The reversal of 49679477 is 77497694.

It is a balanced prime because it is at equal distance from previous prime (49679447) and next prime (49679507).

It can be written as a sum of positive squares in only one way, i.e., 29528356 + 20151121 = 5434^2 + 4489^2 .

It is a cyclic number.

It is not a de Polignac number, because 49679477 - 2⁸ = 49679221 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49679417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24839738 + 24839739.

It is an arithmetic number, because the mean of its divisors is an integer number (24839739).

Almost surely, 2^49679477 is an apocalyptic number.

It is an amenable number.

49679477 is a deficient number, since it is larger than the sum of its proper divisors (1).

49679477 is an equidigital number, since it uses as much as digits as its factorization.

49679477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2667168, while the sum is 53.

The square root of 49679477 is about 7048.3669739877. The cubic root of 49679477 is about 367.6142505003.

The spelling of 49679477 in words is "forty-nine million, six hundred seventy-nine thousand, four hundred seventy-seven".