47691155 has 8 divisors (see below), whose sum is σ = 57279312. Its totient is φ = 38119648.

The previous prime is 47691151. The next prime is 47691157. The reversal of 47691155 is 55119674.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47691155 - 2² = 47691151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47691151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3392 + ... + 10338.

It is an arithmetic number, because the mean of its divisors is an integer number (7159914).

Almost surely, 2^47691155 is an apocalyptic number.

47691155 is a deficient number, since it is larger than the sum of its proper divisors (9588157).

47691155 is a wasteful number, since it uses less digits than its factorization.

47691155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8325.

The product of its digits is 37800, while the sum is 38.

The square root of 47691155 is about 6905.8782931645. The cubic root of 47691155 is about 362.6429844183.

The spelling of 47691155 in words is "forty-seven million, six hundred ninety-one thousand, one hundred fifty-five".