47561567 has 2 divisors, whose sum is σ = 47561568. Its totient is φ = 47561566.

The previous prime is 47561561. The next prime is 47561593. The reversal of 47561567 is 76516574.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47561567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47561561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23780783 + 23780784.

It is an arithmetic number, because the mean of its divisors is an integer number (23780784).

Almost surely, 2^47561567 is an apocalyptic number.

47561567 is a deficient number, since it is larger than the sum of its proper divisors (1).

47561567 is an equidigital number, since it uses as much as digits as its factorization.

47561567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 176400, while the sum is 41.

The square root of 47561567 is about 6896.4894692880. The cubic root of 47561567 is about 362.3142245874.

The spelling of 47561567 in words is "forty-seven million, five hundred sixty-one thousand, five hundred sixty-seven".