56432434 has 16 divisors (see below), whose sum is σ = 87917400. Its totient is φ = 27134464.

The previous prime is 56432429. The next prime is 56432443. The reversal of 56432434 is 43423465.

It can be written as a sum of positive squares in 4 ways, for example, as 16426809 + 40005625 = 4053^2 + 6325^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56432396 and 56432405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13794 + ... + 17410.

Almost surely, 2^56432434 is an apocalyptic number.

56432434 is a deficient number, since it is larger than the sum of its proper divisors (31484966).

56432434 is a wasteful number, since it uses less digits than its factorization.

56432434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3917.

The product of its digits is 34560, while the sum is 31.

The square root of 56432434 is about 7512.1524212439. The cubic root of 56432434 is about 383.5684940614.

Adding to 56432434 its reverse (43423465), we get a palindrome (99855899).

The spelling of 56432434 in words is "fifty-six million, four hundred thirty-two thousand, four hundred thirty-four".