56026511 has 4 divisors (see below), whose sum is σ = 56043000. Its totient is φ = 56010024.

The previous prime is 56026499. The next prime is 56026567. The reversal of 56026511 is 11562065.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11562065 = 5 ⋅2312413.

It is a cyclic number.

It is not a de Polignac number, because 56026511 - 2⁶ = 56026447 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 (56026571) 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, 1061 + ... + 10638.

It is an arithmetic number, because the mean of its divisors is an integer number (14010750).

Almost surely, 2^56026511 is an apocalyptic number.

56026511 is a deficient number, since it is larger than the sum of its proper divisors (16489).

56026511 is a wasteful number, since it uses less digits than its factorization.

56026511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16488.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 56026511 is about 7485.0859046507. The cubic root of 56026511 is about 382.6466005043.

Adding to 56026511 its reverse (11562065), we get a palindrome (67588576).

The spelling of 56026511 in words is "fifty-six million, twenty-six thousand, five hundred eleven".