47755785 has 64 divisors (see below), whose sum is σ = 96215040. Its totient is φ = 19649280.

The previous prime is 47755781. The next prime is 47755787. The reversal of 47755785 is 58755774.

It is a happy number.

It is not a de Polignac number, because 47755785 - 2² = 47755781 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47755781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 199696 + ... + 199934.

It is an arithmetic number, because the mean of its divisors is an integer number (1503360).

Almost surely, 2^47755785 is an apocalyptic number.

It is an amenable number.

47755785 is an abundant number, since it is smaller than the sum of its proper divisors (48459255).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47755785 is a wasteful number, since it uses less digits than its factorization.

47755785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438.

The product of its digits is 1372000, while the sum is 48.

The square root of 47755785 is about 6910.5560557744. The cubic root of 47755785 is about 362.8067257288.

The spelling of 47755785 in words is "forty-seven million, seven hundred fifty-five thousand, seven hundred eighty-five".