47493111 has 4 divisors (see below), whose sum is σ = 63324152. Its totient is φ = 31662072.

The previous prime is 47493101. The next prime is 47493139. The reversal of 47493111 is 11139474.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 47493111 - 2¹¹ = 47491063 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 (47493101) 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, 7915516 + ... + 7915521.

It is an arithmetic number, because the mean of its divisors is an integer number (15831038).

Almost surely, 2^47493111 is an apocalyptic number.

47493111 is a deficient number, since it is larger than the sum of its proper divisors (15831041).

47493111 is a wasteful number, since it uses less digits than its factorization.

47493111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15831040.

The product of its digits is 3024, while the sum is 30.

The square root of 47493111 is about 6891.5245773341. The cubic root of 47493111 is about 362.1403132187.

The spelling of 47493111 in words is "forty-seven million, four hundred ninety-three thousand, one hundred eleven".