56520212 has 48 divisors (see below), whose sum is σ = 120046080. Its totient is φ = 22744800.

The previous prime is 56520209. The next prime is 56520229. The reversal of 56520212 is 21202565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69287 + ... + 70097.

It is an arithmetic number, because the mean of its divisors is an integer number (2500960).

Almost surely, 2^56520212 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 56520212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60023040).

56520212 is an abundant number, since it is smaller than the sum of its proper divisors (63525868).

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

56520212 is a wasteful number, since it uses less digits than its factorization.

56520212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972 (or 970 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 56520212 is about 7517.9925512067. The cubic root of 56520212 is about 383.7672652950.

Adding to 56520212 its reverse (21202565), we get a palindrome (77722777).

The spelling of 56520212 in words is "fifty-six million, five hundred twenty thousand, two hundred twelve".