56526431304 has 32 divisors (see below), whose sum is σ = 161504089920. Its totient is φ = 16150408896.

The previous prime is 56526431287. The next prime is 56526431309. The reversal of 56526431304 is 40313462565.

It is a super-2 number, since 2×56526431304² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56526431309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168233259 + ... + 168233594.

It is an arithmetic number, because the mean of its divisors is an integer number (5047002810).

Almost surely, 2^56526431304 is an apocalyptic number.

It is an amenable number.

56526431304 is an abundant number, since it is smaller than the sum of its proper divisors (104977658616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56526431304 is a wasteful number, since it uses less digits than its factorization.

56526431304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336466869 (or 336466865 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

Adding to 56526431304 its reverse (40313462565), we get a palindrome (96839893869).

The spelling of 56526431304 in words is "fifty-six billion, five hundred twenty-six million, four hundred thirty-one thousand, three hundred four".