56042430 has 64 divisors (see below), whose sum is σ = 138475008. Its totient is φ = 14510720.

The previous prime is 56042417. The next prime is 56042443. The reversal of 56042430 is 3424065.

It is an interprime number because it is at equal distance from previous prime (56042417) and next prime (56042443).

It is a self number, because there is not a number n which added to its sum of digits gives 56042430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176632 + ... + 176948.

It is an arithmetic number, because the mean of its divisors is an integer number (2163672).

Almost surely, 2^56042430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56042430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69237504).

56042430 is an abundant number, since it is smaller than the sum of its proper divisors (82432578).

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

56042430 is a wasteful number, since it uses less digits than its factorization.

56042430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 56042430 is about 7486.1492103751. The cubic root of 56042430 is about 382.6828379587.

Adding to 56042430 its reverse (3424065), we get a palindrome (59466495).

The spelling of 56042430 in words is "fifty-six million, forty-two thousand, four hundred thirty".