49720489 has 16 divisors (see below), whose sum is σ = 62852608. Its totient is φ = 38273472.

The previous prime is 49720483. The next prime is 49720537. The reversal of 49720489 is 98402794.

It is a cyclic number.

It is not a de Polignac number, because 49720489 - 2³ = 49720481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49720481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4017 + ... + 10750.

It is an arithmetic number, because the mean of its divisors is an integer number (3928288).

Almost surely, 2^49720489 is an apocalyptic number.

It is an amenable number.

49720489 is a deficient number, since it is larger than the sum of its proper divisors (13132119).

49720489 is a wasteful number, since it uses less digits than its factorization.

49720489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14824.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 49720489 is about 7051.2757001836. The cubic root of 49720489 is about 367.7153817904.

The spelling of 49720489 in words is "forty-nine million, seven hundred twenty thousand, four hundred eighty-nine".