56436501005 has 4 divisors (see below), whose sum is σ = 67723801212. Its totient is φ = 45149200800.

The previous prime is 56436500957. The next prime is 56436501019. The reversal of 56436501005 is 50010563465.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11179044361 + 45257456644 = 105731^2 + 212738^2 .

It is a de Polignac number, because none of the positive numbers 2^k-56436501005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5643650096 + ... + 5643650105.

It is an arithmetic number, because the mean of its divisors is an integer number (16930950303).

Almost surely, 2^56436501005 is an apocalyptic number.

It is an amenable number.

56436501005 is a deficient number, since it is larger than the sum of its proper divisors (11287300207).

56436501005 is a wasteful number, since it uses less digits than its factorization.

56436501005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11287300206.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 56436501005 in words is "fifty-six billion, four hundred thirty-six million, five hundred one thousand, five".