56730232 has 16 divisors (see below), whose sum is σ = 114551640. Its totient is φ = 26183136.

The previous prime is 56730229. The next prime is 56730239. The reversal of 56730232 is 23203765.

It is a self number, because there is not a number n which added to its sum of digits gives 56730232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56730239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272638 + ... + 272845.

Almost surely, 2^56730232 is an apocalyptic number.

56730232 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

56730232 is an abundant number, since it is smaller than the sum of its proper divisors (57821408).

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

56730232 is a wasteful number, since it uses less digits than its factorization.

56730232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545502 (or 545498 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 56730232 is about 7531.9474241394. The cubic root of 56730232 is about 384.2420168518.

Adding to 56730232 its reverse (23203765), we get a palindrome (79933997).

The spelling of 56730232 in words is "fifty-six million, seven hundred thirty thousand, two hundred thirty-two".