47999533 has 2 divisors, whose sum is σ = 47999534. Its totient is φ = 47999532.

The previous prime is 47999527. The next prime is 47999593. The reversal of 47999533 is 33599974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46416969 + 1582564 = 6813^2 + 1258^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47999533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47999513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23999766 + 23999767.

It is an arithmetic number, because the mean of its divisors is an integer number (23999767).

Almost surely, 2^47999533 is an apocalyptic number.

It is an amenable number.

47999533 is a deficient number, since it is larger than the sum of its proper divisors (1).

47999533 is an equidigital number, since it uses as much as digits as its factorization.

47999533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 918540, while the sum is 49.

The square root of 47999533 is about 6928.1695273716. The cubic root of 47999533 is about 363.4229399580.

The spelling of 47999533 in words is "forty-seven million, nine hundred ninety-nine thousand, five hundred thirty-three".