57385782650 has 48 divisors (see below), whose sum is σ = 128406096960. Its totient is φ = 18639590400.

The previous prime is 57385782637. The next prime is 57385782661. The reversal of 57385782650 is 5628758375.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4308071 + ... + 4321370.

It is an arithmetic number, because the mean of its divisors is an integer number (2675127020).

Almost surely, 2^57385782650 is an apocalyptic number.

57385782650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57385782650 is an abundant number, since it is smaller than the sum of its proper divisors (71020314310).

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

57385782650 is a wasteful number, since it uses less digits than its factorization.

57385782650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8629479 (or 8629474 counting only the distinct ones).

The product of its (nonzero) digits is 14112000, while the sum is 56.

The spelling of 57385782650 in words is "fifty-seven billion, three hundred eighty-five million, seven hundred eighty-two thousand, six hundred fifty".