56321429 has 2 divisors, whose sum is σ = 56321430. Its totient is φ = 56321428.

The previous prime is 56321387. The next prime is 56321467. The reversal of 56321429 is 92412365.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44863204 + 11458225 = 6698^2 + 3385^2 .

It is a cyclic number.

It is not a de Polignac number, because 56321429 - 2²⁰ = 55272853 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 56321395 and 56321404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56321479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28160714 + 28160715.

It is an arithmetic number, because the mean of its divisors is an integer number (28160715).

Almost surely, 2^56321429 is an apocalyptic number.

It is an amenable number.

56321429 is a deficient number, since it is larger than the sum of its proper divisors (1).

56321429 is an equidigital number, since it uses as much as digits as its factorization.

56321429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 32.

The square root of 56321429 is about 7504.7604225585. The cubic root of 56321429 is about 383.3168304595.

The spelling of 56321429 in words is "fifty-six million, three hundred twenty-one thousand, four hundred twenty-nine".