49627889 has 2 divisors, whose sum is σ = 49627890. Its totient is φ = 49627888.

The previous prime is 49627871. The next prime is 49627927. The reversal of 49627889 is 98872694.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44823025 + 4804864 = 6695^2 + 2192^2 .

It is a cyclic number.

It is not a de Polignac number, because 49627889 - 2¹² = 49623793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49627889.

It is not a weakly prime, because it can be changed into another prime (49627849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24813944 + 24813945.

It is an arithmetic number, because the mean of its divisors is an integer number (24813945).

Almost surely, 2^49627889 is an apocalyptic number.

It is an amenable number.

49627889 is a deficient number, since it is larger than the sum of its proper divisors (1).

49627889 is an equidigital number, since it uses as much as digits as its factorization.

49627889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 53.

The square root of 49627889 is about 7044.7064523655. The cubic root of 49627889 is about 367.4869608344.

The spelling of 49627889 in words is "forty-nine million, six hundred twenty-seven thousand, eight hundred eighty-nine".