56259109 has 4 divisors (see below), whose sum is σ = 56511616. Its totient is φ = 56006604.

The previous prime is 56259107. The next prime is 56259113. The reversal of 56259109 is 90195265.

56259109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56259109 - 2¹ = 56259107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56259107) 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 3 ways as a sum of consecutive naturals, for example, 125919 + ... + 126364.

It is an arithmetic number, because the mean of its divisors is an integer number (14127904).

Almost surely, 2^56259109 is an apocalyptic number.

It is an amenable number.

56259109 is a deficient number, since it is larger than the sum of its proper divisors (252507).

56259109 is a wasteful number, since it uses less digits than its factorization.

56259109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252506.

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 56259109 is about 7500.6072420838. The cubic root of 56259109 is about 383.1753974882.

The spelling of 56259109 in words is "fifty-six million, two hundred fifty-nine thousand, one hundred nine".