49492889 has 4 divisors (see below), whose sum is σ = 49512960. Its totient is φ = 49472820.

The previous prime is 49492873. The next prime is 49492921. The reversal of 49492889 is 98829494.

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, and also an emirpimes, since its reverse is a distinct semiprime: 98829494 = 2 ⋅49414747.

It is a cyclic number.

It is not a de Polignac number, because 49492889 - 2⁴ = 49492873 is a prime.

It is a super-3 number, since 3×49492889³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 49492889.

It is not an unprimeable number, because it can be changed into a prime (49492489) 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, 5717 + ... + 11474.

It is an arithmetic number, because the mean of its divisors is an integer number (12378240).

Almost surely, 2^49492889 is an apocalyptic number.

It is an amenable number.

49492889 is a deficient number, since it is larger than the sum of its proper divisors (20071).

49492889 is a wasteful number, since it uses less digits than its factorization.

49492889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20070.

The product of its digits is 1492992, while the sum is 53.

The square root of 49492889 is about 7035.1182648197. The cubic root of 49492889 is about 367.1534400844.

The spelling of 49492889 in words is "forty-nine million, four hundred ninety-two thousand, eight hundred eighty-nine".