47424855 has 16 divisors (see below), whose sum is σ = 79873920. Its totient is φ = 23961888.

The previous prime is 47424851. The next prime is 47424863. The reversal of 47424855 is 55842474.

It is not a de Polignac number, because 47424855 - 2² = 47424851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47424851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82917 + ... + 83486.

It is an arithmetic number, because the mean of its divisors is an integer number (4992120).

Almost surely, 2^47424855 is an apocalyptic number.

47424855 is a deficient number, since it is larger than the sum of its proper divisors (32449065).

47424855 is a wasteful number, since it uses less digits than its factorization.

47424855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166430.

The product of its digits is 179200, while the sum is 39.

The square root of 47424855 is about 6886.5706269521. The cubic root of 47424855 is about 361.9667434829.

The spelling of 47424855 in words is "forty-seven million, four hundred twenty-four thousand, eight hundred fifty-five".