57582220 has 12 divisors (see below), whose sum is σ = 120922704. Its totient is φ = 23032880.

The previous prime is 57582211. The next prime is 57582223. The reversal of 57582220 is 2228575.

57582220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (57582223) 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 3 ways as a sum of consecutive naturals, for example, 1439536 + ... + 1439575.

It is an arithmetic number, because the mean of its divisors is an integer number (10076892).

Almost surely, 2^57582220 is an apocalyptic number.

It is an amenable number.

57582220 is an abundant number, since it is smaller than the sum of its proper divisors (63340484).

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

57582220 is a wasteful number, since it uses less digits than its factorization.

57582220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2879120 (or 2879118 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 57582220 is about 7588.2949336462. The cubic root of 57582220 is about 386.1560127129.

The spelling of 57582220 in words is "fifty-seven million, five hundred eighty-two thousand, two hundred twenty".