56036591 has 8 divisors (see below), whose sum is σ = 60824064. Its totient is φ = 51317280.

The previous prime is 56036581. The next prime is 56036593. The reversal of 56036591 is 19563065.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56036591 - 2⁶ = 56036527 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 (56036593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15320 + ... + 18621.

It is an arithmetic number, because the mean of its divisors is an integer number (7603008).

Almost surely, 2^56036591 is an apocalyptic number.

56036591 is a deficient number, since it is larger than the sum of its proper divisors (4787473).

56036591 is a wasteful number, since it uses less digits than its factorization.

56036591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34081.

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 56036591 is about 7485.7592133330. The cubic root of 56036591 is about 382.6695470605.

The spelling of 56036591 in words is "fifty-six million, thirty-six thousand, five hundred ninety-one".