56618010 has 48 divisors (see below), whose sum is σ = 148127616. Its totient is φ = 15003744.

The previous prime is 56617991. The next prime is 56618011. The reversal of 56618010 is 1081665.

It is not an unprimeable number, because it can be changed into a prime (56618011) 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, 13147 + ... + 16913.

It is an arithmetic number, because the mean of its divisors is an integer number (3085992).

Almost surely, 2^56618010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56618010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74063808).

56618010 is an abundant number, since it is smaller than the sum of its proper divisors (91509606).

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

56618010 is a wasteful number, since it uses less digits than its factorization.

56618010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3947 (or 3944 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 56618010 is about 7524.4940029214. The cubic root of 56618010 is about 383.9884843552.

Adding to 56618010 its reverse (1081665), we get a palindrome (57699675).

The spelling of 56618010 in words is "fifty-six million, six hundred eighteen thousand, ten".