56089508537 has 2 divisors, whose sum is σ = 56089508538. Its totient is φ = 56089508536.

The previous prime is 56089508521. The next prime is 56089508593. The reversal of 56089508537 is 73580598065.

It is an a-pointer prime, because the next prime (56089508593) can be obtained adding 56089508537 to its sum of digits (56).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49793244736 + 6296263801 = 223144^2 + 79349^2 .

It is a cyclic number.

It is not a de Polignac number, because 56089508537 - 2⁴ = 56089508521 is a prime.

It is not a weakly prime, because it can be changed into another prime (56089508437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28044754268 + 28044754269.

It is an arithmetic number, because the mean of its divisors is an integer number (28044754269).

Almost surely, 2^56089508537 is an apocalyptic number.

It is an amenable number.

56089508537 is a deficient number, since it is larger than the sum of its proper divisors (1).

56089508537 is an equidigital number, since it uses as much as digits as its factorization.

56089508537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072000, while the sum is 56.

The spelling of 56089508537 in words is "fifty-six billion, eighty-nine million, five hundred eight thousand, five hundred thirty-seven".