56992147 has 2 divisors, whose sum is σ = 56992148. Its totient is φ = 56992146.

The previous prime is 56992141. The next prime is 56992151. The reversal of 56992147 is 74129965.

It is a happy number.

56992147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56992147 - 2¹⁵ = 56959379 is a prime.

It is not a weakly prime, because it can be changed into another prime (56992141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28496073 + 28496074.

It is an arithmetic number, because the mean of its divisors is an integer number (28496074).

Almost surely, 2^56992147 is an apocalyptic number.

56992147 is a deficient number, since it is larger than the sum of its proper divisors (1).

56992147 is an equidigital number, since it uses as much as digits as its factorization.

56992147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 43.

The square root of 56992147 is about 7549.3143397265. The cubic root of 56992147 is about 384.8324384684.

The spelling of 56992147 in words is "fifty-six million, nine hundred ninety-two thousand, one hundred forty-seven".