56047429 has 4 divisors (see below), whose sum is σ = 56815276. Its totient is φ = 55279584.

The previous prime is 56047427. The next prime is 56047469. The reversal of 56047429 is 92474065.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21178404 + 34869025 = 4602^2 + 5905^2 .

It is a cyclic number.

It is not a de Polignac number, because 56047429 - 2¹ = 56047427 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56047421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383814 + ... + 383959.

It is an arithmetic number, because the mean of its divisors is an integer number (14203819).

Almost surely, 2^56047429 is an apocalyptic number.

It is an amenable number.

56047429 is a deficient number, since it is larger than the sum of its proper divisors (767847).

56047429 is an equidigital number, since it uses as much as digits as its factorization.

56047429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767846.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 56047429 is about 7486.4830862028. The cubic root of 56047429 is about 382.6942160915.

The spelling of 56047429 in words is "fifty-six million, forty-seven thousand, four hundred twenty-nine".