56180000 has 90 divisors (see below), whose sum is σ = 140868189. Its totient is φ = 22048000.

The previous prime is 56179933. The next prime is 56180027. The reversal of 56180000 is 8165.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 8 ways, for example, as 169744 + 56010256 = 412^2 + 7484^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5300.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1059974 + ... + 1060026.

Almost surely, 2^56180000 is an apocalyptic number.

56180000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56180000

56180000 is an abundant number, since it is smaller than the sum of its proper divisors (84688189).

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

56180000 is an frugal number, since it uses more digits than its factorization.

56180000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 56180000 is about 7495.3318805774. The cubic root of 56180000 is about 382.9957119686.

Adding to 56180000 its reverse (8165), we get a palindrome (56188165).

The spelling of 56180000 in words is "fifty-six million, one hundred eighty thousand".