47198155 has 8 divisors (see below), whose sum is σ = 57355200. Its totient is φ = 37280256.

The previous prime is 47198113. The next prime is 47198159. The reversal of 47198155 is 55189174.

It is a happy number.

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 47198155 - 2²⁵ = 13643723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47198159) 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, 59350 + ... + 60139.

It is an arithmetic number, because the mean of its divisors is an integer number (7169400).

Almost surely, 2^47198155 is an apocalyptic number.

47198155 is a deficient number, since it is larger than the sum of its proper divisors (10157045).

47198155 is a wasteful number, since it uses less digits than its factorization.

47198155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119573.

The product of its digits is 50400, while the sum is 40.

The square root of 47198155 is about 6870.0913385486. The cubic root of 47198155 is about 361.3890649645.

The spelling of 47198155 in words is "forty-seven million, one hundred ninety-eight thousand, one hundred fifty-five".