48449785 has 4 divisors (see below), whose sum is σ = 58139748. Its totient is φ = 38759824.

The previous prime is 48449771. The next prime is 48449789. The reversal of 48449785 is 58794484.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23078416 + 25371369 = 4804^2 + 5037^2 .

It is a cyclic number.

It is not a de Polignac number, because 48449785 - 2⁹ = 48449273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48449789) 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, 4844974 + ... + 4844983.

It is an arithmetic number, because the mean of its divisors is an integer number (14534937).

Almost surely, 2^48449785 is an apocalyptic number.

It is an amenable number.

48449785 is a deficient number, since it is larger than the sum of its proper divisors (9689963).

48449785 is an equidigital number, since it uses as much as digits as its factorization.

48449785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9689962.

The product of its digits is 1290240, while the sum is 49.

The square root of 48449785 is about 6960.5879780375. The cubic root of 48449785 is about 364.5557489951. Note that the first 3 decimals are identical.

The spelling of 48449785 in words is "forty-eight million, four hundred forty-nine thousand, seven hundred eighty-five".