56534311 has 4 divisors (see below), whose sum is σ = 58483800. Its totient is φ = 54584824.

The previous prime is 56534273. The next prime is 56534321. The reversal of 56534311 is 11343565.

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

It is a cyclic number.

It is not a de Polignac number, because 56534311 - 2¹⁷ = 56403239 is a prime.

It is a super-2 number, since 2×56534311² = 6392256640489442, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56534311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56534321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 974701 + ... + 974758.

It is an arithmetic number, because the mean of its divisors is an integer number (14620950).

Almost surely, 2^56534311 is an apocalyptic number.

56534311 is a deficient number, since it is larger than the sum of its proper divisors (1949489).

56534311 is a wasteful number, since it uses less digits than its factorization.

56534311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949488.

The product of its digits is 5400, while the sum is 28.

The square root of 56534311 is about 7518.9301765610. The cubic root of 56534311 is about 383.7991729651.

Adding to 56534311 its reverse (11343565), we get a palindrome (67877876).

The spelling of 56534311 in words is "fifty-six million, five hundred thirty-four thousand, three hundred eleven".