48557789 has 4 divisors (see below), whose sum is σ = 55494624. Its totient is φ = 41620956.

The previous prime is 48557783. The next prime is 48557819. The reversal of 48557789 is 98775584.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48557789 - 2²⁰ = 47509213 is a prime.

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 48557789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48557783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3468407 + ... + 3468420.

It is an arithmetic number, because the mean of its divisors is an integer number (13873656).

Almost surely, 2^48557789 is an apocalyptic number.

It is an amenable number.

48557789 is a deficient number, since it is larger than the sum of its proper divisors (6936835).

48557789 is an equidigital number, since it uses as much as digits as its factorization.

48557789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6936834.

The product of its digits is 2822400, while the sum is 53.

The square root of 48557789 is about 6968.3419118180. The cubic root of 48557789 is about 364.8264365275.

The spelling of 48557789 in words is "forty-eight million, five hundred fifty-seven thousand, seven hundred eighty-nine".