47755345 has 32 divisors (see below), whose sum is σ = 66364416. Its totient is φ = 32659200.

The previous prime is 47755333. The next prime is 47755369. The reversal of 47755345 is 54355774.

47755345 = 59² + 60² + ... + 523².

It is not a de Polignac number, because 47755345 - 2⁵ = 47755313 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47755298 and 47755307.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 62707 + ... + 63463.

It is an arithmetic number, because the mean of its divisors is an integer number (2073888).

Almost surely, 2^47755345 is an apocalyptic number.

It is an amenable number.

47755345 is a deficient number, since it is larger than the sum of its proper divisors (18609071).

47755345 is a wasteful number, since it uses less digits than its factorization.

47755345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841.

The product of its digits is 294000, while the sum is 40.

The square root of 47755345 is about 6910.5242203468. The cubic root of 47755345 is about 362.8056114802.

The spelling of 47755345 in words is "forty-seven million, seven hundred fifty-five thousand, three hundred forty-five".