56189629 has 2 divisors, whose sum is σ = 56189630. Its totient is φ = 56189628.

The previous prime is 56189599. The next prime is 56189657. The reversal of 56189629 is 92698165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52229529 + 3960100 = 7227^2 + 1990^2 .

It is a cyclic number.

It is not a de Polignac number, because 56189629 - 2⁵ = 56189597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56189689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28094814 + 28094815.

It is an arithmetic number, because the mean of its divisors is an integer number (28094815).

Almost surely, 2^56189629 is an apocalyptic number.

It is an amenable number.

56189629 is a deficient number, since it is larger than the sum of its proper divisors (1).

56189629 is an equidigital number, since it uses as much as digits as its factorization.

56189629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 46.

The square root of 56189629 is about 7495.9741861882. The cubic root of 56189629 is about 383.0175919676.

The spelling of 56189629 in words is "fifty-six million, one hundred eighty-nine thousand, six hundred twenty-nine".