56523000 has 128 divisors (see below), whose sum is σ = 179262720. Its totient is φ = 14825600.

The previous prime is 56522971. The next prime is 56523007. The reversal of 56523000 is 32565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56523007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 248887 + ... + 249113.

It is an arithmetic number, because the mean of its divisors is an integer number (1400490).

Almost surely, 2^56523000 is an apocalyptic number.

56523000 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 56523000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89631360).

56523000 is an abundant number, since it is smaller than the sum of its proper divisors (122739720).

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

56523000 is a wasteful number, since it uses less digits than its factorization.

56523000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 56523000 is about 7518.1779707586. The cubic root of 56523000 is about 383.7735752828.

Adding to 56523000 its reverse (32565), we get a palindrome (56555565).

The spelling of 56523000 in words is "fifty-six million, five hundred twenty-three thousand".