56020028 has 12 divisors (see below), whose sum is σ = 99697080. Its totient is φ = 27535152.

The previous prime is 56020001. The next prime is 56020039. The reversal of 56020028 is 82002065.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 56019985 and 56020012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118451 + ... + 118922.

It is an arithmetic number, because the mean of its divisors is an integer number (8308090).

Almost surely, 2^56020028 is an apocalyptic number.

It is an amenable number.

56020028 is a deficient number, since it is larger than the sum of its proper divisors (43677052).

56020028 is a wasteful number, since it uses less digits than its factorization.

56020028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237436 (or 237434 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 56020028 is about 7484.6528309602. The cubic root of 56020028 is about 382.6318408631.

The spelling of 56020028 in words is "fifty-six million, twenty thousand, twenty-eight".