47155199 has 12 divisors (see below), whose sum is σ = 59074344. Its totient is φ = 37309104.

The previous prime is 47155187. The next prime is 47155201. The reversal of 47155199 is 99155174.

It is not a de Polignac number, because 47155199 - 2¹⁶ = 47089663 is a prime.

It is a super-2 number, since 2×47155199² = 4447225585459202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47155139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36377 + ... + 37650.

It is an arithmetic number, because the mean of its divisors is an integer number (4922862).

Almost surely, 2^47155199 is an apocalyptic number.

47155199 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

47155199 is a deficient number, since it is larger than the sum of its proper divisors (11919145).

47155199 is a wasteful number, since it uses less digits than its factorization.

47155199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74054 (or 74047 counting only the distinct ones).

The product of its digits is 56700, while the sum is 41.

The square root of 47155199 is about 6866.9643220276. The cubic root of 47155199 is about 361.2793958431.

The spelling of 47155199 in words is "forty-seven million, one hundred fifty-five thousand, one hundred ninety-nine".