57355881081 has 8 divisors (see below), whose sum is σ = 77551614144. Its totient is φ = 37698701040.

The previous prime is 57355881047. The next prime is 57355881091. The reversal of 57355881081 is 18018855375.

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

It is not a de Polignac number, because 57355881081 - 2⁶ = 57355881017 is a prime.

It is a super-2 number, since 2×57355881081² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57355881091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134638006 + ... + 134638431.

It is an arithmetic number, because the mean of its divisors is an integer number (9693951768).

Almost surely, 2^57355881081 is an apocalyptic number.

It is an amenable number.

57355881081 is a deficient number, since it is larger than the sum of its proper divisors (20195733063).

57355881081 is a wasteful number, since it uses less digits than its factorization.

57355881081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269276511.

The product of its (nonzero) digits is 1344000, while the sum is 51.

The spelling of 57355881081 in words is "fifty-seven billion, three hundred fifty-five million, eight hundred eighty-one thousand, eighty-one".