56155205 has 16 divisors (see below), whose sum is σ = 69626304. Its totient is φ = 43451520.

The previous prime is 56155193. The next prime is 56155207. The reversal of 56155205 is 50255165.

56155205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56155205 - 2⁴ = 56155189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56155207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21785 + ... + 24225.

It is an arithmetic number, because the mean of its divisors is an integer number (4351644).

Almost surely, 2^56155205 is an apocalyptic number.

It is an amenable number.

56155205 is a deficient number, since it is larger than the sum of its proper divisors (13471099).

56155205 is a wasteful number, since it uses less digits than its factorization.

56155205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2596.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 56155205 is about 7493.6776685417. The cubic root of 56155205 is about 382.9393587225.

The spelling of 56155205 in words is "fifty-six million, one hundred fifty-five thousand, two hundred five".