56435709 has 16 divisors (see below), whose sum is σ = 82522944. Its totient is φ = 34022400.

The previous prime is 56435689. The next prime is 56435713. The reversal of 56435709 is 90753465.

It is not a de Polignac number, because 56435709 - 2⁵ = 56435677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56435009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1939 + ... + 10799.

It is an arithmetic number, because the mean of its divisors is an integer number (5157684).

Almost surely, 2^56435709 is an apocalyptic number.

It is an amenable number.

56435709 is a deficient number, since it is larger than the sum of its proper divisors (26087235).

56435709 is a wasteful number, since it uses less digits than its factorization.

56435709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9068.

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 56435709 is about 7512.3703982165. The cubic root of 56435709 is about 383.5759139228.

The spelling of 56435709 in words is "fifty-six million, four hundred thirty-five thousand, seven hundred nine".