56542307 has 2 divisors, whose sum is σ = 56542308. Its totient is φ = 56542306.

The previous prime is 56542279. The next prime is 56542393. The reversal of 56542307 is 70324565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56542307 - 2¹⁴ = 56525923 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56542397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28271153 + 28271154.

It is an arithmetic number, because the mean of its divisors is an integer number (28271154).

Almost surely, 2^56542307 is an apocalyptic number.

56542307 is a deficient number, since it is larger than the sum of its proper divisors (1).

56542307 is an equidigital number, since it uses as much as digits as its factorization.

56542307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 56542307 is about 7519.4618823424. The cubic root of 56542307 is about 383.8172664819.

The spelling of 56542307 in words is "fifty-six million, five hundred forty-two thousand, three hundred seven".