57428384850 has 36 divisors (see below), whose sum is σ = 154290928506. Its totient is φ = 15314235840.

The previous prime is 57428384837. The next prime is 57428384851. The reversal of 57428384850 is 5848382475.

57428384850 is a `hidden beast` number, since 574 + 28 + 3 + 8 + 48 + 5 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 52432298361 + 4996086489 = 228981^2 + 70683^2 .

It is not an unprimeable number, because it can be changed into a prime (57428384851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 63808867 + ... + 63809766.

Almost surely, 2^57428384850 is an apocalyptic number.

57428384850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57428384850 is an abundant number, since it is smaller than the sum of its proper divisors (96862543656).

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

57428384850 is a wasteful number, since it uses less digits than its factorization.

57428384850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127618651 (or 127618643 counting only the distinct ones).

The product of its (nonzero) digits is 8601600, while the sum is 54.

The spelling of 57428384850 in words is "fifty-seven billion, four hundred twenty-eight million, three hundred eighty-four thousand, eight hundred fifty".