57445638000 has 160 divisors (see below), whose sum is σ = 185548034880. Its totient is φ = 15290444800.

The previous prime is 57445637987. The next prime is 57445638011. The reversal of 57445638000 is 83654475.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3333406 + ... + 3350594.

It is an arithmetic number, because the mean of its divisors is an integer number (1159675218).

Almost surely, 2^57445638000 is an apocalyptic number.

57445638000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57445638000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92774017440).

57445638000 is an abundant number, since it is smaller than the sum of its proper divisors (128102396880).

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

57445638000 is a wasteful number, since it uses less digits than its factorization.

57445638000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17772 (or 17756 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 57445638000 in words is "fifty-seven billion, four hundred forty-five million, six hundred thirty-eight thousand".