56443230 has 80 divisors (see below), whose sum is σ = 160736400. Its totient is φ = 14162688.

The previous prime is 56443229. The next prime is 56443271. The reversal of 56443230 is 3234465.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 56443194 and 56443203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11721 + ... + 15819.

It is an arithmetic number, because the mean of its divisors is an integer number (2009205).

Almost surely, 2^56443230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56443230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80368200).

56443230 is an abundant number, since it is smaller than the sum of its proper divisors (104293170).

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

56443230 is a wasteful number, since it uses less digits than its factorization.

56443230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4135 (or 4126 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 56443230 is about 7512.8709558996. The cubic root of 56443230 is about 383.5929524631.

Adding to 56443230 its reverse (3234465), we get a palindrome (59677695).

The spelling of 56443230 in words is "fifty-six million, four hundred forty-three thousand, two hundred thirty".