56158303 has 2 divisors, whose sum is σ = 56158304. Its totient is φ = 56158302.

The previous prime is 56158273. The next prime is 56158307. The reversal of 56158303 is 30385165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56158303 - 2²¹ = 54061151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56158307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28079151 + 28079152.

It is an arithmetic number, because the mean of its divisors is an integer number (28079152).

Almost surely, 2^56158303 is an apocalyptic number.

56158303 is a deficient number, since it is larger than the sum of its proper divisors (1).

56158303 is an equidigital number, since it uses as much as digits as its factorization.

56158303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 56158303 is about 7493.8843732740. The cubic root of 56158303 is about 382.9464006599.

The spelling of 56158303 in words is "fifty-six million, one hundred fifty-eight thousand, three hundred three".