56721630603237 has 8 divisors (see below), whose sum is σ = 77473446677760. Its totient is φ = 36892117465440.

The previous prime is 56721630603203. The next prime is 56721630603269. The reversal of 56721630603237 is 73230603612765.

56721630603237 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 not a de Polignac number, because 56721630603237 - 2³⁴ = 56704450734053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56721630603237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56721630603277) 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 7 ways as a sum of consecutive naturals, for example, 230575734037 + ... + 230575734282.

It is an arithmetic number, because the mean of its divisors is an integer number (9684180834720).

Almost surely, 2^{56721630603237} is an apocalyptic number.

It is an amenable number.

56721630603237 is a deficient number, since it is larger than the sum of its proper divisors (20751816074523).

56721630603237 is a wasteful number, since it uses less digits than its factorization.

56721630603237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461151468363.

The product of its (nonzero) digits is 5715360, while the sum is 51.

The spelling of 56721630603237 in words is "fifty-six trillion, seven hundred twenty-one billion, six hundred thirty million, six hundred three thousand, two hundred thirty-seven".