47055830 has 32 divisors (see below), whose sum is σ = 92586240. Its totient is φ = 17141760.

The previous prime is 47055817. The next prime is 47055851. The reversal of 47055830 is 3855074.

It is a happy number.

47055830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×47055830² = 4428502273977800, which contains 22 as substring.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 806 + ... + 9734.

It is an arithmetic number, because the mean of its divisors is an integer number (2893320).

Almost surely, 2^47055830 is an apocalyptic number.

47055830 is a deficient number, since it is larger than the sum of its proper divisors (45530410).

47055830 is a wasteful number, since it uses less digits than its factorization.

47055830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8984.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 47055830 is about 6859.7252131554. The cubic root of 47055830 is about 361.0254456272.

The spelling of 47055830 in words is "forty-seven million, fifty-five thousand, eight hundred thirty".