49829489 has 4 divisors (see below), whose sum is σ = 49846500. Its totient is φ = 49812480.

The previous prime is 49829471. The next prime is 49829513. The reversal of 49829489 is 98492894.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98492894 = 2 ⋅49246447.

It can be written as a sum of positive squares in 2 ways, for example, as 17430625 + 32398864 = 4175^2 + 5692^2 .

It is a cyclic number.

It is not a de Polignac number, because 49829489 - 2⁸ = 49829233 is a prime.

It is a super-2 number, since 2×49829489² = 4965955948002242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49829489.

It is not an unprimeable number, because it can be changed into a prime (49829089) 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, 2864 + ... + 10385.

It is an arithmetic number, because the mean of its divisors is an integer number (12461625).

Almost surely, 2^49829489 is an apocalyptic number.

It is an amenable number.

49829489 is a deficient number, since it is larger than the sum of its proper divisors (17011).

49829489 is a wasteful number, since it uses less digits than its factorization.

49829489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17010.

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

The square root of 49829489 is about 7059.0005666525. Note that the first 3 decimals coincide. The cubic root of 49829489 is about 367.9838943211.

The spelling of 49829489 in words is "forty-nine million, eight hundred twenty-nine thousand, four hundred eighty-nine".