47137855 has 16 divisors (see below), whose sum is σ = 60100704. Its totient is φ = 35368960.

The previous prime is 47137817. The next prime is 47137859. The reversal of 47137855 is 55873174.

It is not a de Polignac number, because 47137855 - 2²¹ = 45040703 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 (47137859) 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, 29220 + ... + 30790.

It is an arithmetic number, because the mean of its divisors is an integer number (3756294).

Almost surely, 2^47137855 is an apocalyptic number.

47137855 is a deficient number, since it is larger than the sum of its proper divisors (12962849).

47137855 is a wasteful number, since it uses less digits than its factorization.

47137855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946.

The product of its digits is 117600, while the sum is 40.

The square root of 47137855 is about 6865.7013480052. The cubic root of 47137855 is about 361.2350967459.

The spelling of 47137855 in words is "forty-seven million, one hundred thirty-seven thousand, eight hundred fifty-five".