56700558 has 12 divisors (see below), whose sum is σ = 122851248. Its totient is φ = 18900180.

The previous prime is 56700557. The next prime is 56700563. The reversal of 56700558 is 85500765.

56700558 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×56700558³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56700551) 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 5 ways as a sum of consecutive naturals, for example, 1574998 + ... + 1575033.

It is an arithmetic number, because the mean of its divisors is an integer number (10237604).

Almost surely, 2^56700558 is an apocalyptic number.

56700558 is an abundant number, since it is smaller than the sum of its proper divisors (66150690).

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

56700558 is a wasteful number, since it uses less digits than its factorization.

56700558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3150039 (or 3150036 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The square root of 56700558 is about 7529.9772908024. The cubic root of 56700558 is about 384.1750097446.

The spelling of 56700558 in words is "fifty-six million, seven hundred thousand, five hundred fifty-eight".