56508827629 has 4 divisors (see below), whose sum is σ = 56801619676. Its totient is φ = 56216035584.

The previous prime is 56508827593. The next prime is 56508827633. The reversal of 56508827629 is 92672880565.

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 23135018404 + 33373809225 = 152102^2 + 182685^2 .

It is a cyclic number.

It is not a de Polignac number, because 56508827629 - 2¹⁷ = 56508696557 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 (56508827689) 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 3 ways as a sum of consecutive naturals, for example, 146395734 + ... + 146396119.

It is an arithmetic number, because the mean of its divisors is an integer number (14200404919).

Almost surely, 2^56508827629 is an apocalyptic number.

It is an amenable number.

56508827629 is a deficient number, since it is larger than the sum of its proper divisors (292792047).

56508827629 is a wasteful number, since it uses less digits than its factorization.

56508827629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292792046.

The product of its (nonzero) digits is 14515200, while the sum is 58.

The spelling of 56508827629 in words is "fifty-six billion, five hundred eight million, eight hundred twenty-seven thousand, six hundred twenty-nine".