56408434 has 4 divisors (see below), whose sum is σ = 84612654. Its totient is φ = 28204216.

The previous prime is 56408411. The next prime is 56408441. The reversal of 56408434 is 43480465.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 55457809 + 950625 = 7447^2 + 975^2 .

It is a super-2 number, since 2×56408434² = 6363822852664712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56408434.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14102107 + ... + 14102110.

Almost surely, 2^56408434 is an apocalyptic number.

56408434 is a deficient number, since it is larger than the sum of its proper divisors (28204220).

56408434 is a wasteful number, since it uses less digits than its factorization.

56408434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28204219.

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 56408434 is about 7510.5548396906. The cubic root of 56408434 is about 383.5141107424.

Adding to 56408434 its reverse (43480465), we get a palindrome (99888899).

The spelling of 56408434 in words is "fifty-six million, four hundred eight thousand, four hundred thirty-four".