56549519926 has 8 divisors (see below), whose sum is σ = 84916583280. Its totient is φ = 28243992168.

The previous prime is 56549519921. The next prime is 56549519927. The reversal of 56549519926 is 62991594565.

56549519926 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×56549519926² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56549519921) 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, 15381601 + ... + 15385276.

It is an arithmetic number, because the mean of its divisors is an integer number (10614572910).

Almost surely, 2^56549519926 is an apocalyptic number.

56549519926 is a deficient number, since it is larger than the sum of its proper divisors (28367063354).

56549519926 is a wasteful number, since it uses less digits than its factorization.

56549519926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30767798.

The product of its digits is 26244000, while the sum is 61.

The spelling of 56549519926 in words is "fifty-six billion, five hundred forty-nine million, five hundred nineteen thousand, nine hundred twenty-six".