49889147 has 12 divisors (see below), whose sum is σ = 62671728. Its totient is φ = 38874000.

The previous prime is 49889141. The next prime is 49889171. The reversal of 49889147 is 74198894.

It is not a de Polignac number, because 49889147 - 2⁴ = 49889131 is a prime.

It is a super-3 number, since 3×49889147³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49889095 and 49889104.

It is not an unprimeable number, because it can be changed into a prime (49889141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28604 + ... + 30297.

It is an arithmetic number, because the mean of its divisors is an integer number (5222644).

Almost surely, 2^49889147 is an apocalyptic number.

49889147 is a deficient number, since it is larger than the sum of its proper divisors (12782581).

49889147 is a wasteful number, since it uses less digits than its factorization.

49889147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58930 (or 58919 counting only the distinct ones).

The product of its digits is 580608, while the sum is 50.

The square root of 49889147 is about 7063.2249716401. The cubic root of 49889147 is about 368.1306911165.

The spelling of 49889147 in words is "forty-nine million, eight hundred eighty-nine thousand, one hundred forty-seven".