47499955 has 16 divisors (see below), whose sum is σ = 60808320. Its totient is φ = 35494912.

The previous prime is 47499953. The next prime is 47499979. The reversal of 47499955 is 55999474.

It is not a de Polignac number, because 47499955 - 2¹ = 47499953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47499953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9606 + ... + 13684.

It is an arithmetic number, because the mean of its divisors is an integer number (3800520).

Almost surely, 2^47499955 is an apocalyptic number.

47499955 is a deficient number, since it is larger than the sum of its proper divisors (13308365).

47499955 is a wasteful number, since it uses less digits than its factorization.

47499955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4238.

The product of its digits is 2041200, while the sum is 52.

The square root of 47499955 is about 6892.0211114012. The cubic root of 47499955 is about 362.1577078064.

The spelling of 47499955 in words is "forty-seven million, four hundred ninety-nine thousand, nine hundred fifty-five".