49820789 has 8 divisors (see below), whose sum is σ = 51323712. Its totient is φ = 48333600.

The previous prime is 49820779. The next prime is 49820801. The reversal of 49820789 is 98702894.

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

It is a cyclic number.

It is not a de Polignac number, because 49820789 - 2⁴ = 49820773 is a prime.

It is a super-2 number, since 2×49820789² = 4964222033165042, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49820779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2657 + ... + 10329.

It is an arithmetic number, because the mean of its divisors is an integer number (6415464).

Almost surely, 2^49820789 is an apocalyptic number.

It is an amenable number.

49820789 is a deficient number, since it is larger than the sum of its proper divisors (1502923).

49820789 is a wasteful number, since it uses less digits than its factorization.

49820789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7867.

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 49820789 is about 7058.3843052075. The cubic root of 49820789 is about 367.9624769751.

The spelling of 49820789 in words is "forty-nine million, eight hundred twenty thousand, seven hundred eighty-nine".