49855489 has 4 divisors (see below), whose sum is σ = 49891120. Its totient is φ = 49819860.

The previous prime is 49855469. The next prime is 49855517. The reversal of 49855489 is 98455894.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49855489 - 2⁹ = 49854977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49855439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15627 + ... + 18544.

It is an arithmetic number, because the mean of its divisors is an integer number (12472780).

Almost surely, 2^49855489 is an apocalyptic number.

It is an amenable number.

49855489 is a deficient number, since it is larger than the sum of its proper divisors (35631).

49855489 is a wasteful number, since it uses less digits than its factorization.

49855489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35630.

The product of its digits is 2073600, while the sum is 52.

The square root of 49855489 is about 7060.8419469635. The cubic root of 49855489 is about 368.0478853291.

The spelling of 49855489 in words is "forty-nine million, eight hundred fifty-five thousand, four hundred eighty-nine".