47499951 has 8 divisors (see below), whose sum is σ = 63383040. Its totient is φ = 31641752.

The previous prime is 47499937. The next prime is 47499953. The reversal of 47499951 is 15999474.

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

It is a cyclic number.

It is not a de Polignac number, because 47499951 - 2¹¹ = 47497903 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47499951.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1185 + ... + 9818.

It is an arithmetic number, because the mean of its divisors is an integer number (7922880).

Almost surely, 2^47499951 is an apocalyptic number.

47499951 is a deficient number, since it is larger than the sum of its proper divisors (15883089).

47499951 is a wasteful number, since it uses less digits than its factorization.

47499951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12445.

The product of its digits is 408240, while the sum is 48.

The square root of 47499951 is about 6892.0208212106. The cubic root of 47499951 is about 362.1576976406.

The spelling of 47499951 in words is "forty-seven million, four hundred ninety-nine thousand, nine hundred fifty-one".