49569789 has 8 divisors (see below), whose sum is σ = 66268960. Its totient is φ = 32958576.

The previous prime is 49569781. The next prime is 49569791. The reversal of 49569789 is 98796594.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49569789 - 2³ = 49569781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49569781) 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 7 ways as a sum of consecutive naturals, for example, 20662 + ... + 22935.

It is an arithmetic number, because the mean of its divisors is an integer number (8283620).

Almost surely, 2^49569789 is an apocalyptic number.

It is an amenable number.

49569789 is a deficient number, since it is larger than the sum of its proper divisors (16699171).

49569789 is a wasteful number, since it uses less digits than its factorization.

49569789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43979.

The product of its digits is 4898880, while the sum is 57.

The square root of 49569789 is about 7040.5815810912. The cubic root of 49569789 is about 367.3434976175.

The spelling of 49569789 in words is "forty-nine million, five hundred sixty-nine thousand, seven hundred eighty-nine".