47463855 has 32 divisors (see below), whose sum is σ = 78962688. Its totient is φ = 24326400.

The previous prime is 47463853. The next prime is 47463869. The reversal of 47463855 is 55836474.

It is not a de Polignac number, because 47463855 - 2¹ = 47463853 is a prime.

It is a super-2 number, since 2×47463855² = 4505635062922050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47463851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43122 + ... + 44208.

It is an arithmetic number, because the mean of its divisors is an integer number (2467584).

Almost surely, 2^47463855 is an apocalyptic number.

47463855 is a deficient number, since it is larger than the sum of its proper divisors (31498833).

47463855 is a wasteful number, since it uses less digits than its factorization.

47463855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207.

The product of its digits is 403200, while the sum is 42.

The square root of 47463855 is about 6889.4016431037. The cubic root of 47463855 is about 362.0659378479.

The spelling of 47463855 in words is "forty-seven million, four hundred sixty-three thousand, eight hundred fifty-five".