57553353066 has 64 divisors (see below), whose sum is σ = 128998521216. Its totient is φ = 17111219840.

The previous prime is 57553353041. The next prime is 57553353071. The reversal of 57553353066 is 66035335575.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 355270 + ... + 491246.

It is an arithmetic number, because the mean of its divisors is an integer number (2015601894).

Almost surely, 2^57553353066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57553353066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64499260608).

57553353066 is an abundant number, since it is smaller than the sum of its proper divisors (71445168150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57553353066 is a wasteful number, since it uses less digits than its factorization.

57553353066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136068 (or 136046 counting only the distinct ones).

The product of its (nonzero) digits is 4252500, while the sum is 48.

The spelling of 57553353066 in words is "fifty-seven billion, five hundred fifty-three million, three hundred fifty-three thousand, sixty-six".