49629985 has 4 divisors (see below), whose sum is σ = 59555988. Its totient is φ = 39703984.

The previous prime is 49629973. The next prime is 49630037. The reversal of 49629985 is 58992694.

49629985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 28772496 + 20857489 = 5364^2 + 4567^2 .

It is a cyclic number.

It is not a de Polignac number, because 49629985 - 2⁹ = 49629473 is a prime.

It is a super-2 number, since 2×49629985² = 4926270822200450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4962994 + ... + 4963003.

It is an arithmetic number, because the mean of its divisors is an integer number (14888997).

Almost surely, 2^49629985 is an apocalyptic number.

It is an amenable number.

49629985 is a deficient number, since it is larger than the sum of its proper divisors (9926003).

49629985 is an equidigital number, since it uses as much as digits as its factorization.

49629985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9926002.

The product of its digits is 1399680, while the sum is 52.

The square root of 49629985 is about 7044.8552149778. The cubic root of 49629985 is about 367.4921342818.

The spelling of 49629985 in words is "forty-nine million, six hundred twenty-nine thousand, nine hundred eighty-five".