47055385 has 16 divisors (see below), whose sum is σ = 60999120. Its totient is φ = 34640640.

The previous prime is 47055377. The next prime is 47055397. The reversal of 47055385 is 58355074.

It can be written as a sum of positive squares in 8 ways, for example, as 23348224 + 23707161 = 4832^2 + 4869^2 .

It is not a de Polignac number, because 47055385 - 2³ = 47055377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24355 + ... + 26215.

It is an arithmetic number, because the mean of its divisors is an integer number (3812445).

Almost surely, 2^47055385 is an apocalyptic number.

It is an amenable number.

47055385 is a deficient number, since it is larger than the sum of its proper divisors (13943735).

47055385 is a wasteful number, since it uses less digits than its factorization.

47055385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268.

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 47055385 is about 6859.6927773771. The cubic root of 47055385 is about 361.0243075690.

It can be divided in two parts, 470 and 55385, that added together give a palindrome (55855).

The spelling of 47055385 in words is "forty-seven million, fifty-five thousand, three hundred eighty-five".