56006556 has 24 divisors (see below), whose sum is σ = 130875024. Its totient is φ = 18641280.

The previous prime is 56006521. The next prime is 56006557. The reversal of 56006556 is 65560065.

It is a super-2 number, since 2×56006556² = 6273468629962272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56006557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6066 + ... + 12198.

It is an arithmetic number, because the mean of its divisors is an integer number (5453126).

Almost surely, 2^56006556 is an apocalyptic number.

It is an amenable number.

56006556 is an abundant number, since it is smaller than the sum of its proper divisors (74868468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56006556 is a wasteful number, since it uses less digits than its factorization.

56006556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6901 (or 6899 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 56006556 is about 7483.7528019036. The cubic root of 56006556 is about 382.6011659443.

The spelling of 56006556 in words is "fifty-six million, six thousand, five hundred fifty-six".