56537620303 has 4 divisors (see below), whose sum is σ = 56538118000. Its totient is φ = 56537122608.

The previous prime is 56537620261. The next prime is 56537620379. The reversal of 56537620303 is 30302673565.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 56537620303 - 2⁹ = 56537619791 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 (56537620003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14323 + ... + 336571.

It is an arithmetic number, because the mean of its divisors is an integer number (14134529500).

Almost surely, 2^56537620303 is an apocalyptic number.

56537620303 is a deficient number, since it is larger than the sum of its proper divisors (497697).

56537620303 is a wasteful number, since it uses less digits than its factorization.

56537620303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497696.

The product of its (nonzero) digits is 340200, while the sum is 40.

The spelling of 56537620303 in words is "fifty-six billion, five hundred thirty-seven million, six hundred twenty thousand, three hundred three".