56243330 has 64 divisors (see below), whose sum is σ = 122266368. Its totient is φ = 18351360.

The previous prime is 56243329. The next prime is 56243353. The reversal of 56243330 is 3334265.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 56243330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52379 + ... + 53441.

It is an arithmetic number, because the mean of its divisors is an integer number (1910412).

Almost surely, 2^56243330 is an apocalyptic number.

56243330 is an abundant number, since it is smaller than the sum of its proper divisors (66023038).

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

56243330 is a wasteful number, since it uses less digits than its factorization.

56243330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131.

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 56243330 is about 7499.5553201507. Note that the first 3 decimals coincide. The cubic root of 56243330 is about 383.1395710532.

Adding to 56243330 its reverse (3334265), we get a palindrome (59577595).

The spelling of 56243330 in words is "fifty-six million, two hundred forty-three thousand, three hundred thirty".