47815955 has 8 divisors (see below), whose sum is σ = 62595504. Its totient is φ = 34775200.

The previous prime is 47815931. The next prime is 47815973. The reversal of 47815955 is 55951874.

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

It is not a de Polignac number, because 47815955 - 2¹⁴ = 47799571 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434636 + ... + 434745.

It is an arithmetic number, because the mean of its divisors is an integer number (7824438).

Almost surely, 2^47815955 is an apocalyptic number.

47815955 is a deficient number, since it is larger than the sum of its proper divisors (14779549).

47815955 is a wasteful number, since it uses less digits than its factorization.

47815955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869397.

The product of its digits is 252000, while the sum is 44.

The square root of 47815955 is about 6914.9081700338. The cubic root of 47815955 is about 362.9590348073.

The spelling of 47815955 in words is "forty-seven million, eight hundred fifteen thousand, nine hundred fifty-five".