57581723850 has 48 divisors (see below), whose sum is σ = 163203060288. Its totient is φ = 13161536640.

The previous prime is 57581723831. The next prime is 57581723861. The reversal of 57581723850 is 5832718575.

It is a junction number, because it is equal to n+sod(n) for n = 57581723793 and 57581723802.

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, 27418819 + ... + 27420918.

It is an arithmetic number, because the mean of its divisors is an integer number (3400063756).

Almost surely, 2^57581723850 is an apocalyptic number.

57581723850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57581723850 is an abundant number, since it is smaller than the sum of its proper divisors (105621336438).

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

57581723850 is a wasteful number, since it uses less digits than its factorization.

57581723850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54839759 (or 54839754 counting only the distinct ones).

The product of its (nonzero) digits is 2352000, while the sum is 51.

The spelling of 57581723850 in words is "fifty-seven billion, five hundred eighty-one million, seven hundred twenty-three thousand, eight hundred fifty".