56645184 has 84 divisors (see below), whose sum is σ = 155368752. Its totient is φ = 18213120.

The previous prime is 56645179. The next prime is 56645189. The reversal of 56645184 is 48154665.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (56645179) and next prime (56645189).

Its product of digits (115200) is a multiple of the sum of its prime factors (384).

It is not an unprimeable number, because it can be changed into a prime (56645189) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184359 + ... + 184665.

It is an arithmetic number, because the mean of its divisors is an integer number (1849628).

Almost surely, 2^56645184 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 56645184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77684376).

56645184 is an abundant number, since it is smaller than the sum of its proper divisors (98723568).

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

56645184 is a wasteful number, since it uses less digits than its factorization.

56645184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384 (or 343 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The square root of 56645184 is about 7526.2994891248. The cubic root of 56645184 is about 384.0499067080.

The spelling of 56645184 in words is "fifty-six million, six hundred forty-five thousand, one hundred eighty-four".