57138021088 has 96 divisors (see below), whose sum is σ = 120074651424. Its totient is φ = 26671153152.

The previous prime is 57138021077. The next prime is 57138021103. The reversal of 57138021088 is 88012083175.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41614770 + ... + 41616142.

It is an arithmetic number, because the mean of its divisors is an integer number (1250777619).

Almost surely, 2^57138021088 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 57138021088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60037325712).

57138021088 is an abundant number, since it is smaller than the sum of its proper divisors (62936630336).

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

57138021088 is a wasteful number, since it uses less digits than its factorization.

57138021088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964 (or 1956 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 43.

The spelling of 57138021088 in words is "fifty-seven billion, one hundred thirty-eight million, twenty-one thousand, eighty-eight".