57447401121 has 16 divisors (see below), whose sum is σ = 92844285120. Its totient is φ = 34816606560.

The previous prime is 57447401117. The next prime is 57447401149. The reversal of 57447401121 is 12110474475.

57447401121 is a `hidden beast` number, since 5 + 74 + 474 + 0 + 112 + 1 = 666.

It is not a de Polignac number, because 57447401121 - 2² = 57447401117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57447401171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96712500 + ... + 96713093.

It is an arithmetic number, because the mean of its divisors is an integer number (5802767820).

Almost surely, 2^57447401121 is an apocalyptic number.

It is an amenable number.

57447401121 is a deficient number, since it is larger than the sum of its proper divisors (35396883999).

57447401121 is a wasteful number, since it uses less digits than its factorization.

57447401121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193425613 (or 193425607 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

Adding to 57447401121 its reverse (12110474475), we get a palindrome (69557875596).

The spelling of 57447401121 in words is "fifty-seven billion, four hundred forty-seven million, four hundred one thousand, one hundred twenty-one".