56055503 has 16 divisors (see below), whose sum is σ = 65802240. Its totient is φ = 46758816.

The previous prime is 56055469. The next prime is 56055583. The reversal of 56055503 is 30555065.

It is a cyclic number.

It is not a de Polignac number, because 56055503 - 2⁸ = 56055247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56055583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51026 + ... + 52112.

It is an arithmetic number, because the mean of its divisors is an integer number (4112640).

Almost surely, 2^56055503 is an apocalyptic number.

56055503 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

56055503 is a deficient number, since it is larger than the sum of its proper divisors (9746737).

56055503 is a wasteful number, since it uses less digits than its factorization.

56055503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286.

The product of its (nonzero) digits is 11250, while the sum is 29.

The square root of 56055503 is about 7487.0223052960. The cubic root of 56055503 is about 382.7125917470.

The spelling of 56055503 in words is "fifty-six million, fifty-five thousand, five hundred three".