56268534 has 64 divisors (see below), whose sum is σ = 138608640. Its totient is φ = 14873760.

The previous prime is 56268529. The next prime is 56268539. The reversal of 56268534 is 43586265.

It is an interprime number because it is at equal distance from previous prime (56268529) and next prime (56268539).

It is a super-2 number, since 2×56268534² = 6332295837018312, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56268492 and 56268501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56268539) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29007 + ... + 30885.

It is an arithmetic number, because the mean of its divisors is an integer number (2165760).

Almost surely, 2^56268534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56268534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69304320).

56268534 is an abundant number, since it is smaller than the sum of its proper divisors (82340106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56268534 is a wasteful number, since it uses less digits than its factorization.

56268534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945.

The product of its digits is 172800, while the sum is 39.

The square root of 56268534 is about 7501.2354982363. The cubic root of 56268534 is about 383.1967938839.

It can be divided in two parts, 562 and 68534, that added together give a palindrome (69096).

The spelling of 56268534 in words is "fifty-six million, two hundred sixty-eight thousand, five hundred thirty-four".