56563430 has 32 divisors (see below), whose sum is σ = 126938880. Its totient is φ = 17629920.

The previous prime is 56563379. The next prime is 56563439. The reversal of 56563430 is 3436565.

It is a super-2 number, since 2×56563430² = 6398843226729800, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56563439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35960 + ... + 37499.

It is an arithmetic number, because the mean of its divisors is an integer number (3966840).

Almost surely, 2^56563430 is an apocalyptic number.

56563430 is an abundant number, since it is smaller than the sum of its proper divisors (70375450).

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

56563430 is a wasteful number, since it uses less digits than its factorization.

56563430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73484.

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 56563430 is about 7520.8663064836. The cubic root of 56563430 is about 383.8650558463.

Adding to 56563430 its reverse (3436565), we get a palindrome (59999995).

The spelling of 56563430 in words is "fifty-six million, five hundred sixty-three thousand, four hundred thirty".