56189016 has 96 divisors (see below), whose sum is σ = 165306960. Its totient is φ = 17139456.

The previous prime is 56189011. The next prime is 56189053. The reversal of 56189016 is 61098165.

56189016 is a `hidden beast` number, since 561 + 8 + 90 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56189011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161755 + ... + 162101.

Almost surely, 2^56189016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56189016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82653480).

56189016 is an abundant number, since it is smaller than the sum of its proper divisors (109117944).

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

56189016 is a wasteful number, since it uses less digits than its factorization.

56189016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 56189016 is about 7495.9332974620. The cubic root of 56189016 is about 383.0161991208.

The spelling of 56189016 in words is "fifty-six million, one hundred eighty-nine thousand, sixteen".