57520212 has 24 divisors (see below), whose sum is σ = 137488512. Its totient is φ = 18705600.

The previous prime is 57520189. The next prime is 57520219. The reversal of 57520212 is 21202575.

57520212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57520219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57964 + ... + 58947.

It is an arithmetic number, because the mean of its divisors is an integer number (5728688).

Almost surely, 2^57520212 is an apocalyptic number.

It is an amenable number.

57520212 is an abundant number, since it is smaller than the sum of its proper divisors (79968300).

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

57520212 is a wasteful number, since it uses less digits than its factorization.

57520212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116959 (or 116957 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 57520212 is about 7584.2080667661. The cubic root of 57520212 is about 386.0173509163.

Adding to 57520212 its reverse (21202575), we get a palindrome (78722787).

The spelling of 57520212 in words is "fifty-seven million, five hundred twenty thousand, two hundred twelve".