56109429 has 24 divisors (see below), whose sum is σ = 84494592. Its totient is φ = 37208160.

The previous prime is 56109421. The next prime is 56109433. The reversal of 56109429 is 92490165.

56109429 is a `hidden beast` number, since 561 + 0 + 94 + 2 + 9 = 666.

56109429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56109429 - 2³ = 56109421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56109393 and 56109402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56109421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56124 + ... + 57114.

It is an arithmetic number, because the mean of its divisors is an integer number (3520608).

Almost surely, 2^56109429 is an apocalyptic number.

It is an amenable number.

56109429 is a deficient number, since it is larger than the sum of its proper divisors (28385163).

56109429 is an equidigital number, since it uses as much as digits as its factorization.

56109429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239 (or 1227 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 56109429 is about 7490.6227377969. The cubic root of 56109429 is about 382.8352769644.

The spelling of 56109429 in words is "fifty-six million, one hundred nine thousand, four hundred twenty-nine".