49045057 has 2 divisors, whose sum is σ = 49045058. Its totient is φ = 49045056.

The previous prime is 49045021. The next prime is 49045063. The reversal of 49045057 is 75054094.

49045057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37748736 + 11296321 = 6144^2 + 3361^2 .

It is a cyclic number.

It is not a de Polignac number, because 49045057 - 2⁷ = 49044929 is a prime.

It is a super-2 number, since 2×49045057² = 4810835232266498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49045067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24522528 + 24522529.

It is an arithmetic number, because the mean of its divisors is an integer number (24522529).

Almost surely, 2^49045057 is an apocalyptic number.

It is an amenable number.

49045057 is a deficient number, since it is larger than the sum of its proper divisors (1).

49045057 is an equidigital number, since it uses as much as digits as its factorization.

49045057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 49045057 is about 7003.2176176383. The cubic root of 49045057 is about 366.0426980952.

The spelling of 49045057 in words is "forty-nine million, forty-five thousand, fifty-seven".