56155103 has 2 divisors, whose sum is σ = 56155104. Its totient is φ = 56155102.

The previous prime is 56155039. The next prime is 56155111. The reversal of 56155103 is 30155165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56155103 - 2⁶ = 56155039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56155153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28077551 + 28077552.

It is an arithmetic number, because the mean of its divisors is an integer number (28077552).

Almost surely, 2^56155103 is an apocalyptic number.

56155103 is a deficient number, since it is larger than the sum of its proper divisors (1).

56155103 is an equidigital number, since it uses as much as digits as its factorization.

56155103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 56155103 is about 7493.6708628015. The cubic root of 56155103 is about 382.9391268660.

The spelling of 56155103 in words is "fifty-six million, one hundred fifty-five thousand, one hundred three".