56041656 has 64 divisors (see below), whose sum is σ = 161844480. Its totient is φ = 15982080.

The previous prime is 56041651. The next prime is 56041663. The reversal of 56041656 is 65614065.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56041651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1756 + ... + 10731.

It is an arithmetic number, because the mean of its divisors is an integer number (2528820).

Almost surely, 2^56041656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56041656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80922240).

56041656 is an abundant number, since it is smaller than the sum of its proper divisors (105802824).

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

56041656 is a wasteful number, since it uses less digits than its factorization.

56041656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12524 (or 12520 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 56041656 is about 7486.0975147269. The cubic root of 56041656 is about 382.6810762109.

It can be divided in two parts, 5604 and 1656, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 56041656 in words is "fifty-six million, forty-one thousand, six hundred fifty-six".