47145055 has 16 divisors (see below), whose sum is σ = 59361984. Its totient is φ = 35875840.

The previous prime is 47145053. The next prime is 47145127. The reversal of 47145055 is 55054174.

It is not a de Polignac number, because 47145055 - 2¹ = 47145053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47145053) 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, 21615 + ... + 23695.

It is an arithmetic number, because the mean of its divisors is an integer number (3710124).

Almost surely, 2^47145055 is an apocalyptic number.

47145055 is a deficient number, since it is larger than the sum of its proper divisors (12216929).

47145055 is a wasteful number, since it uses less digits than its factorization.

47145055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2306.

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 47145055 is about 6866.2256735415. The cubic root of 47145055 is about 361.2534879115.

The spelling of 47145055 in words is "forty-seven million, one hundred forty-five thousand, fifty-five".