56247434 has 8 divisors (see below), whose sum is σ = 84439908. Its totient is φ = 28100800.

The previous prime is 56247427. The next prime is 56247479. The reversal of 56247434 is 43474265.

It can be written as a sum of positive squares in 2 ways, for example, as 40998409 + 15249025 = 6403^2 + 3905^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56247394 and 56247403.

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 3 ways as a sum of consecutive naturals, for example, 8207 + ... + 13410.

Almost surely, 2^56247434 is an apocalyptic number.

56247434 is a deficient number, since it is larger than the sum of its proper divisors (28192474).

56247434 is a wasteful number, since it uses less digits than its factorization.

56247434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22920.

The product of its digits is 80640, while the sum is 35.

The square root of 56247434 is about 7499.8289313824. The cubic root of 56247434 is about 383.1488898859.

The spelling of 56247434 in words is "fifty-six million, two hundred forty-seven thousand, four hundred thirty-four".