47813655 has 16 divisors (see below), whose sum is σ = 76869504. Its totient is φ = 25378080.

The previous prime is 47813651. The next prime is 47813669. The reversal of 47813655 is 55631874.

47813655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47813655 - 2² = 47813651 is a prime.

It is a super-2 number, since 2×47813655² = 4572291208918050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47813651) by changing a digit.

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, 4389 + ... + 10718.

It is an arithmetic number, because the mean of its divisors is an integer number (4804344).

Almost surely, 2^47813655 is an apocalyptic number.

47813655 is a deficient number, since it is larger than the sum of its proper divisors (29055849).

47813655 is a wasteful number, since it uses less digits than its factorization.

47813655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15326.

The product of its digits is 100800, while the sum is 39.

The square root of 47813655 is about 6914.7418606915. The cubic root of 47813655 is about 362.9532151378.

The spelling of 47813655 in words is "forty-seven million, eight hundred thirteen thousand, six hundred fifty-five".