56804147929 has 4 divisors (see below), whose sum is σ = 57218776884. Its totient is φ = 56389518976.

The previous prime is 56804147927. The next prime is 56804147957. The reversal of 56804147929 is 92974140865.

56804147929 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.

It can be written as a sum of positive squares in 2 ways, for example, as 23249235529 + 33554912400 = 152477^2 + 183180^2 .

It is a cyclic number.

It is not a de Polignac number, because 56804147929 - 2¹ = 56804147927 is a prime.

It is a super-2 number, since 2×56804147929² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56804147929.

It is not an unprimeable number, because it can be changed into a prime (56804147923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207314272 + ... + 207314545.

It is an arithmetic number, because the mean of its divisors is an integer number (14304694221).

Almost surely, 2^56804147929 is an apocalyptic number.

It is an amenable number.

56804147929 is a deficient number, since it is larger than the sum of its proper divisors (414628955).

56804147929 is a wasteful number, since it uses less digits than its factorization.

56804147929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414628954.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 56804147929 in words is "fifty-six billion, eight hundred four million, one hundred forty-seven thousand, nine hundred twenty-nine".