56155303 has 2 divisors, whose sum is σ = 56155304. Its totient is φ = 56155302.

The previous prime is 56155283. The next prime is 56155361. The reversal of 56155303 is 30355165.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56155303 is a prime.

It is equal to p_3347092 and since 56155303 and 3347092 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56155373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28077651 + 28077652.

It is an arithmetic number, because the mean of its divisors is an integer number (28077652).

Almost surely, 2^56155303 is an apocalyptic number.

56155303 is a deficient number, since it is larger than the sum of its proper divisors (1).

56155303 is an equidigital number, since it uses as much as digits as its factorization.

56155303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 56155303 is about 7493.6842073842. The cubic root of 56155303 is about 382.9395814863.

It can be divided in two parts, 56 and 155303, that multiplied together give a palindrome (8696968).

The spelling of 56155303 in words is "fifty-six million, one hundred fifty-five thousand, three hundred three".