56661192 has 192 divisors, whose sum is σ = 189571200. Its totient is φ = 14929920.

The previous prime is 56661191. The next prime is 56661193. The reversal of 56661192 is 29116665.

It is an interprime number because it is at equal distance from previous prime (56661191) and next prime (56661193).

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

It is not an unprimeable number, because it can be changed into a prime (56661191) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 584088 + ... + 584184.

It is an arithmetic number, because the mean of its divisors is an integer number (987350).

Almost surely, 2^56661192 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 56661192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94785600).

56661192 is an abundant number, since it is smaller than the sum of its proper divisors (132910008).

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

56661192 is a wasteful number, since it uses less digits than its factorization.

56661192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 189 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 56661192 is about 7527.3628848356. The cubic root of 56661192 is about 384.0860809623.

The spelling of 56661192 in words is "fifty-six million, six hundred sixty-one thousand, one hundred ninety-two".