47155005 has 24 divisors (see below), whose sum is σ = 82892160. Its totient is φ = 24793440.

The previous prime is 47154977. The next prime is 47155019. The reversal of 47155005 is 50055174.

It is not a de Polignac number, because 47155005 - 2¹¹ = 47152957 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47155005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4185 + ... + 10574.

It is an arithmetic number, because the mean of its divisors is an integer number (3453840).

Almost surely, 2^47155005 is an apocalyptic number.

47155005 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47155005 is a deficient number, since it is larger than the sum of its proper divisors (35737155).

47155005 is a wasteful number, since it uses less digits than its factorization.

47155005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14841 (or 14838 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 47155005 is about 6866.9501964118. The cubic root of 47155005 is about 361.2789003990.

The spelling of 47155005 in words is "forty-seven million, one hundred fifty-five thousand, five".