49051889 has 4 divisors (see below), whose sum is σ = 50634240. Its totient is φ = 47469540.

The previous prime is 49051837. The next prime is 49051909. The reversal of 49051889 is 98815094.

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 49051889 - 2⁸ = 49051633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49051819) 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, 791129 + ... + 791190.

It is an arithmetic number, because the mean of its divisors is an integer number (12658560).

Almost surely, 2^49051889 is an apocalyptic number.

It is an amenable number.

49051889 is a deficient number, since it is larger than the sum of its proper divisors (1582351).

49051889 is a wasteful number, since it uses less digits than its factorization.

49051889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582350.

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 49051889 is about 7003.7053764418. The cubic root of 49051889 is about 366.0596939473.

The spelling of 49051889 in words is "forty-nine million, fifty-one thousand, eight hundred eighty-nine".