57026220 has 48 divisors (see below), whose sum is σ = 168080640. Its totient is φ = 14406336.

The previous prime is 57026197. The next prime is 57026231. The reversal of 57026220 is 2262075.

57026220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 23872 + ... + 26151.

It is an arithmetic number, because the mean of its divisors is an integer number (3501680).

Almost surely, 2^57026220 is an apocalyptic number.

It is an amenable number.

57026220 is an abundant number, since it is smaller than the sum of its proper divisors (111054420).

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

57026220 is a wasteful number, since it uses less digits than its factorization.

57026220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50054 (or 50052 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 57026220 is about 7551.5706975437. The cubic root of 57026220 is about 384.9091144324.

Adding to 57026220 its reverse (2262075), we get a palindrome (59288295).

The spelling of 57026220 in words is "fifty-seven million, twenty-six thousand, two hundred twenty".