49440897 has 12 divisors (see below), whose sum is σ = 77907024. Its totient is φ = 29964120.

The previous prime is 49440883. The next prime is 49440901. The reversal of 49440897 is 79804494.

It is not a de Polignac number, because 49440897 - 2¹¹ = 49438849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49440197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 249603 + ... + 249800.

It is an arithmetic number, because the mean of its divisors is an integer number (6492252).

Almost surely, 2^49440897 is an apocalyptic number.

It is an amenable number.

49440897 is a deficient number, since it is larger than the sum of its proper divisors (28466127).

49440897 is a wasteful number, since it uses less digits than its factorization.

49440897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499420 (or 499417 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 49440897 is about 7031.4221178934. The cubic root of 49440897 is about 367.0248308353.

The spelling of 49440897 in words is "forty-nine million, four hundred forty thousand, eight hundred ninety-seven".