47146955 has 4 divisors (see below), whose sum is σ = 56576352. Its totient is φ = 37717560.

The previous prime is 47146937. The next prime is 47147041. The reversal of 47146955 is 55964174.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 47146955 - 2¹⁸ = 46884811 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4714691 + ... + 4714700.

It is an arithmetic number, because the mean of its divisors is an integer number (14144088).

Almost surely, 2^47146955 is an apocalyptic number.

47146955 is a deficient number, since it is larger than the sum of its proper divisors (9429397).

47146955 is an equidigital number, since it uses as much as digits as its factorization.

47146955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9429396.

The product of its digits is 151200, while the sum is 41.

The square root of 47146955 is about 6866.3640305478. The cubic root of 47146955 is about 361.2583408235.

The spelling of 47146955 in words is "forty-seven million, one hundred forty-six thousand, nine hundred fifty-five".