56545230 has 128 divisors (see below), whose sum is σ = 168210432. Its totient is φ = 11870208.

The previous prime is 56545217. The next prime is 56545259. The reversal of 56545230 is 3254565.

It is a Harshad number since it is a multiple of its sum of digits (30).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 167622 + ... + 167958.

It is an arithmetic number, because the mean of its divisors is an integer number (1314144).

Almost surely, 2^56545230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56545230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84105216).

56545230 is an abundant number, since it is smaller than the sum of its proper divisors (111665202).

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

56545230 is a wasteful number, since it uses less digits than its factorization.

56545230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 56545230 is about 7519.6562421430. The cubic root of 56545230 is about 383.8238802819.

Adding to 56545230 its reverse (3254565), we get a palindrome (59799795).

The spelling of 56545230 in words is "fifty-six million, five hundred forty-five thousand, two hundred thirty".