56605350531 has 16 divisors (see below), whose sum is σ = 81470972160. Its totient is φ = 34851468960.

The previous prime is 56605350499. The next prime is 56605350533. The reversal of 56605350531 is 13505350665.

56605350531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56605350531 - 2⁵ = 56605350499 is a prime.

It is a super-2 number, since 2×56605350531² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56605350531.

It is not an unprimeable number, because it can be changed into a prime (56605350533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14142265 + ... + 14146266.

It is an arithmetic number, because the mean of its divisors is an integer number (5091935760).

Almost surely, 2^56605350531 is an apocalyptic number.

56605350531 is a deficient number, since it is larger than the sum of its proper divisors (24865621629).

56605350531 is a wasteful number, since it uses less digits than its factorization.

56605350531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28288586.

The product of its (nonzero) digits is 202500, while the sum is 39.

The spelling of 56605350531 in words is "fifty-six billion, six hundred five million, three hundred fifty thousand, five hundred thirty-one".