49580989 has 2 divisors, whose sum is σ = 49580990. Its totient is φ = 49580988.

The previous prime is 49580977. The next prime is 49581017. The reversal of 49580989 is 98908594.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43164900 + 6416089 = 6570^2 + 2533^2 .

It is a cyclic number.

It is not a de Polignac number, because 49580989 - 2⁹ = 49580477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49580929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24790494 + 24790495.

It is an arithmetic number, because the mean of its divisors is an integer number (24790495).

Almost surely, 2^49580989 is an apocalyptic number.

It is an amenable number.

49580989 is a deficient number, since it is larger than the sum of its proper divisors (1).

49580989 is an equidigital number, since it uses as much as digits as its factorization.

49580989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 52.

The square root of 49580989 is about 7041.3769250055. The cubic root of 49580989 is about 367.3711618960.

The spelling of 49580989 in words is "forty-nine million, five hundred eighty thousand, nine hundred eighty-nine".