57447856558 has 4 divisors (see below), whose sum is σ = 86171784840. Its totient is φ = 28723928278.

The previous prime is 57447856517. The next prime is 57447856567. The reversal of 57447856558 is 85565874475.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 57447856558.

It is a congruent 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 as a sum of consecutive naturals, namely, 14361964138 + ... + 14361964141.

It is an arithmetic number, because the mean of its divisors is an integer number (21542946210).

Almost surely, 2^57447856558 is an apocalyptic number.

57447856558 is a deficient number, since it is larger than the sum of its proper divisors (28723928282).

57447856558 is a wasteful number, since it uses less digits than its factorization.

57447856558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28723928281.

The product of its digits is 188160000, while the sum is 64.

The spelling of 57447856558 in words is "fifty-seven billion, four hundred forty-seven million, eight hundred fifty-six thousand, five hundred fifty-eight".