49455869 has 2 divisors, whose sum is σ = 49455870. Its totient is φ = 49455868.

The previous prime is 49455781. The next prime is 49455877. The reversal of 49455869 is 96855494.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49420900 + 34969 = 7030^2 + 187^2 .

It is a cyclic number.

It is not a de Polignac number, because 49455869 - 2¹⁶ = 49390333 is a prime.

It is a super-2 number, since 2×49455869² = 4891765957090322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49458869) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24727934 + 24727935.

It is an arithmetic number, because the mean of its divisors is an integer number (24727935).

Almost surely, 2^49455869 is an apocalyptic number.

It is an amenable number.

49455869 is a deficient number, since it is larger than the sum of its proper divisors (1).

49455869 is an equidigital number, since it uses as much as digits as its factorization.

49455869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1555200, while the sum is 50.

The square root of 49455869 is about 7032.4866867986. The cubic root of 49455869 is about 367.0618753437.

The spelling of 49455869 in words is "forty-nine million, four hundred fifty-five thousand, eight hundred sixty-nine".