57005351887 has 8 divisors (see below), whose sum is σ = 62535075840. Its totient is φ = 51533531160.

The previous prime is 57005351873. The next prime is 57005351899. The reversal of 57005351887 is 78815350075.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57005351887 - 2¹⁹ = 57004827599 is a prime.

It is a super-2 number, since 2×57005351887² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57005351887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57005351807) 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 7 ways as a sum of consecutive naturals, for example, 14473743 + ... + 14477680.

It is an arithmetic number, because the mean of its divisors is an integer number (7816884480).

Almost surely, 2^57005351887 is an apocalyptic number.

57005351887 is a deficient number, since it is larger than the sum of its proper divisors (5529723953).

57005351887 is a wasteful number, since it uses less digits than its factorization.

57005351887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28951613.

The product of its (nonzero) digits is 1176000, while the sum is 49.

The spelling of 57005351887 in words is "fifty-seven billion, five million, three hundred fifty-one thousand, eight hundred eighty-seven".