57401851985 has 32 divisors (see below), whose sum is σ = 74040625152. Its totient is φ = 42609853440.

The previous prime is 57401851979. The next prime is 57401852009. The reversal of 57401851985 is 58915810475.

It is not a de Polignac number, because 57401851985 - 2¹² = 57401847889 is a prime.

It is a super-2 number, since 2×57401851985² (a number of 22 digits) contains 22 as substring.

It is a Duffinian 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, 1413920 + ... + 1453950.

It is an arithmetic number, because the mean of its divisors is an integer number (2313769536).

Almost surely, 2^57401851985 is an apocalyptic number.

It is an amenable number.

57401851985 is a deficient number, since it is larger than the sum of its proper divisors (16638773167).

57401851985 is a wasteful number, since it uses less digits than its factorization.

57401851985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40433.

The product of its (nonzero) digits is 2016000, while the sum is 53.

The spelling of 57401851985 in words is "fifty-seven billion, four hundred one million, eight hundred fifty-one thousand, nine hundred eighty-five".