49135477 has 2 divisors, whose sum is σ = 49135478. Its totient is φ = 49135476.

The previous prime is 49135433. The next prime is 49135481. The reversal of 49135477 is 77453194.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48566961 + 568516 = 6969^2 + 754^2 .

It is a cyclic number.

It is not a de Polignac number, because 49135477 - 2¹⁵ = 49102709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49135277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24567738 + 24567739.

It is an arithmetic number, because the mean of its divisors is an integer number (24567739).

Almost surely, 2^49135477 is an apocalyptic number.

It is an amenable number.

49135477 is a deficient number, since it is larger than the sum of its proper divisors (1).

49135477 is an equidigital number, since it uses as much as digits as its factorization.

49135477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 40.

The square root of 49135477 is about 7009.6702490203. The cubic root of 49135477 is about 366.2675067637.

The spelling of 49135477 in words is "forty-nine million, one hundred thirty-five thousand, four hundred seventy-seven".