49255897 has 2 divisors, whose sum is σ = 49255898. Its totient is φ = 49255896.

The previous prime is 49255889. The next prime is 49255907. The reversal of 49255897 is 79855294.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32764176 + 16491721 = 5724^2 + 4061^2 .

It is a cyclic number.

It is not a de Polignac number, because 49255897 - 2³ = 49255889 is a prime.

It is a super-2 number, since 2×49255897² = 4852286778549218, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49255897.

It is not a weakly prime, because it can be changed into another prime (49255097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24627948 + 24627949.

It is an arithmetic number, because the mean of its divisors is an integer number (24627949).

Almost surely, 2^49255897 is an apocalyptic number.

It is an amenable number.

49255897 is a deficient number, since it is larger than the sum of its proper divisors (1).

49255897 is an equidigital number, since it uses as much as digits as its factorization.

49255897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907200, while the sum is 49.

The square root of 49255897 is about 7018.2545550870. The cubic root of 49255897 is about 366.5664757477.

The spelling of 49255897 in words is "forty-nine million, two hundred fifty-five thousand, eight hundred ninety-seven".