56020055 has 16 divisors (see below), whose sum is σ = 82737984. Its totient is φ = 35458560.

The previous prime is 56020051. The next prime is 56020067. The reversal of 56020055 is 55002065.

It is not a de Polignac number, because 56020055 - 2² = 56020051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56020055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56020051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61106 + ... + 62015.

It is an arithmetic number, because the mean of its divisors is an integer number (5171124).

Almost surely, 2^56020055 is an apocalyptic number.

56020055 is a deficient number, since it is larger than the sum of its proper divisors (26717929).

56020055 is a wasteful number, since it uses less digits than its factorization.

56020055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123146.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 56020055 is about 7484.6546346508. The cubic root of 56020055 is about 382.6319023355.

The spelling of 56020055 in words is "fifty-six million, twenty thousand, fifty-five".