57381527220 has 48 divisors (see below), whose sum is σ = 169124504640. Its totient is φ = 14496385536.

The previous prime is 57381527209. The next prime is 57381527261. The reversal of 57381527220 is 2272518375.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25166197 + ... + 25168476.

It is an arithmetic number, because the mean of its divisors is an integer number (3523427180).

Almost surely, 2^57381527220 is an apocalyptic number.

It is an amenable number.

57381527220 is an abundant number, since it is smaller than the sum of its proper divisors (111742977420).

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

57381527220 is a wasteful number, since it uses less digits than its factorization.

57381527220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50334704 (or 50334702 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 42.

The spelling of 57381527220 in words is "fifty-seven billion, three hundred eighty-one million, five hundred twenty-seven thousand, two hundred twenty".