49755649 has 2 divisors, whose sum is σ = 49755650. Its totient is φ = 49755648.

The previous prime is 49755631. The next prime is 49755653. The reversal of 49755649 is 94655794.

It is a happy number.

49755649 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., 48052624 + 1703025 = 6932^2 + 1305^2 .

It is a cyclic number.

It is not a de Polignac number, because 49755649 - 2¹¹ = 49753601 is a prime.

It is a super-2 number, since 2×49755649² = 4951249214822402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49755689) 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, 24877824 + 24877825.

It is an arithmetic number, because the mean of its divisors is an integer number (24877825).

Almost surely, 2^49755649 is an apocalyptic number.

It is an amenable number.

49755649 is a deficient number, since it is larger than the sum of its proper divisors (1).

49755649 is an equidigital number, since it uses as much as digits as its factorization.

49755649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1360800, while the sum is 49.

The square root of 49755649 is about 7053.7684254588. The cubic root of 49755649 is about 367.8020383963.

The spelling of 49755649 in words is "forty-nine million, seven hundred fifty-five thousand, six hundred forty-nine".