56542267 has 2 divisors, whose sum is σ = 56542268. Its totient is φ = 56542266.

The previous prime is 56542259. The next prime is 56542273. The reversal of 56542267 is 76224565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56542267 - 2³ = 56542259 is a prime.

It is not a weakly prime, because it can be changed into another prime (56542217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28271133 + 28271134.

It is an arithmetic number, because the mean of its divisors is an integer number (28271134).

Almost surely, 2^56542267 is an apocalyptic number.

56542267 is a deficient number, since it is larger than the sum of its proper divisors (1).

56542267 is an equidigital number, since it uses as much as digits as its factorization.

56542267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 37.

The square root of 56542267 is about 7519.4592225771. The cubic root of 56542267 is about 383.8171759733.

It can be divided in two parts, 5654 and 2267, that added together give a square (7921 = 89²).

The spelling of 56542267 in words is "fifty-six million, five hundred forty-two thousand, two hundred sixty-seven".