57505852550 has 24 divisors (see below), whose sum is σ = 107907452856. Its totient is φ = 22798778240.

The previous prime is 57505852543. The next prime is 57505852559. The reversal of 57505852550 is 5525850575.

It is a junction number, because it is equal to n+sod(n) for n = 57505852495 and 57505852504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57505852559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5083364 + ... + 5094663.

It is an arithmetic number, because the mean of its divisors is an integer number (4496143869).

Almost surely, 2^57505852550 is an apocalyptic number.

57505852550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57505852550 is a deficient number, since it is larger than the sum of its proper divisors (50401600306).

57505852550 is a wasteful number, since it uses less digits than its factorization.

57505852550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10178152 (or 10178147 counting only the distinct ones).

The product of its (nonzero) digits is 1750000, while the sum is 47.

The spelling of 57505852550 in words is "fifty-seven billion, five hundred five million, eight hundred fifty-two thousand, five hundred fifty".