47192855 has 4 divisors (see below), whose sum is σ = 56631432. Its totient is φ = 37754280.

The previous prime is 47192851. The next prime is 47192869. The reversal of 47192855 is 55829174.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55829174 = 2 ⋅27914587.

It is not a de Polignac number, because 47192855 - 2² = 47192851 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 (47192851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4719281 + ... + 4719290.

It is an arithmetic number, because the mean of its divisors is an integer number (14157858).

Almost surely, 2^47192855 is an apocalyptic number.

47192855 is a deficient number, since it is larger than the sum of its proper divisors (9438577).

47192855 is an equidigital number, since it uses as much as digits as its factorization.

47192855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9438576.

The product of its digits is 100800, while the sum is 41.

The square root of 47192855 is about 6869.7055977676. The cubic root of 47192855 is about 361.3755373613.

The spelling of 47192855 in words is "forty-seven million, one hundred ninety-two thousand, eight hundred fifty-five".