56429369 has 2 divisors, whose sum is σ = 56429370. Its totient is φ = 56429368.

The previous prime is 56429323. The next prime is 56429377. The reversal of 56429369 is 96392465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28761769 + 27667600 = 5363^2 + 5260^2 .

It is a cyclic number.

It is not a de Polignac number, because 56429369 - 2¹⁶ = 56363833 is a prime.

It is a super-2 number, since 2×56429369² = 6368547371476322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56429669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28214684 + 28214685.

It is an arithmetic number, because the mean of its divisors is an integer number (28214685).

Almost surely, 2^56429369 is an apocalyptic number.

It is an amenable number.

56429369 is a deficient number, since it is larger than the sum of its proper divisors (1).

56429369 is an equidigital number, since it uses as much as digits as its factorization.

56429369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 349920, while the sum is 44.

The square root of 56429369 is about 7511.9484156908. The cubic root of 56429369 is about 383.5615497173.

The spelling of 56429369 in words is "fifty-six million, four hundred twenty-nine thousand, three hundred sixty-nine".