57108681980 has 96 divisors (see below), whose sum is σ = 140753313792. Its totient is φ = 19057248000.

The previous prime is 57108681937. The next prime is 57108681983. The reversal of 57108681980 is 8918680175.

It is a super-2 number, since 2×57108681980² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57108681983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1167005 + ... + 1214955.

It is an arithmetic number, because the mean of its divisors is an integer number (1466180352).

Almost surely, 2^57108681980 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 57108681980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70376656896).

57108681980 is an abundant number, since it is smaller than the sum of its proper divisors (83644631812).

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

57108681980 is a wasteful number, since it uses less digits than its factorization.

57108681980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48195 (or 48193 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 53.

The spelling of 57108681980 in words is "fifty-seven billion, one hundred eight million, six hundred eighty-one thousand, nine hundred eighty".