56660130 has 48 divisors (see below), whose sum is σ = 149408064. Its totient is φ = 14894880.

The previous prime is 56660101. The next prime is 56660137. The reversal of 56660130 is 3106665.

It is a junction number, because it is equal to n+sod(n) for n = 56660094 and 56660103.

It is not an unprimeable number, because it can be changed into a prime (56660137) 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, 1957 + ... + 10823.

It is an arithmetic number, because the mean of its divisors is an integer number (3112668).

Almost surely, 2^56660130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56660130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74704032).

56660130 is an abundant number, since it is smaller than the sum of its proper divisors (92747934).

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

56660130 is a wasteful number, since it uses less digits than its factorization.

56660130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8951 (or 8948 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 56660130 is about 7527.2923418717. The cubic root of 56660130 is about 384.0836813071.

Adding to 56660130 its reverse (3106665), we get a palindrome (59766795).

The spelling of 56660130 in words is "fifty-six million, six hundred sixty thousand, one hundred thirty".