56641026 has 48 divisors (see below), whose sum is σ = 124328736. Its totient is φ = 17192448.

The previous prime is 56641021. The next prime is 56641027. The reversal of 56641026 is 62014665.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 56640984 and 56641002.

It is not an unprimeable number, because it can be changed into a prime (56641021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83826 + ... + 84498.

It is an arithmetic number, because the mean of its divisors is an integer number (2590182).

Almost surely, 2^56641026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56641026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62164368).

56641026 is an abundant number, since it is smaller than the sum of its proper divisors (67687710).

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

56641026 is a wasteful number, since it uses less digits than its factorization.

56641026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787 (or 774 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 56641026 is about 7526.0232526880. The cubic root of 56641026 is about 384.0405095067.

The spelling of 56641026 in words is "fifty-six million, six hundred forty-one thousand, twenty-six".