49154783057 has 2 divisors, whose sum is σ = 49154783058. Its totient is φ = 49154783056.

The previous prime is 49154783003. The next prime is 49154783071. The reversal of 49154783057 is 75038745194.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38594959936 + 10559823121 = 196456^2 + 102761^2 .

It is a cyclic number.

It is not a de Polignac number, because 49154783057 - 2²⁰ = 49153734481 is a prime.

It is not a weakly prime, because it can be changed into another prime (49154783857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24577391528 + 24577391529.

It is an arithmetic number, because the mean of its divisors is an integer number (24577391529).

Almost surely, 2^49154783057 is an apocalyptic number.

It is an amenable number.

49154783057 is a deficient number, since it is larger than the sum of its proper divisors (1).

49154783057 is an equidigital number, since it uses as much as digits as its factorization.

49154783057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4233600, while the sum is 53.

The spelling of 49154783057 in words is "forty-nine billion, one hundred fifty-four million, seven hundred eighty-three thousand, fifty-seven".