57447172355 has 4 divisors (see below), whose sum is σ = 68936606832. Its totient is φ = 45957737880.

The previous prime is 57447172337. The next prime is 57447172369. The reversal of 57447172355 is 55327174475.

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

It is not a de Polignac number, because 57447172355 - 2⁶ = 57447172291 is a prime.

It is a super-2 number, since 2×57447172355² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5744717231 + ... + 5744717240.

It is an arithmetic number, because the mean of its divisors is an integer number (17234151708).

Almost surely, 2^57447172355 is an apocalyptic number.

57447172355 is a deficient number, since it is larger than the sum of its proper divisors (11489434477).

57447172355 is a wasteful number, since it uses less digits than its factorization.

57447172355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11489434476.

The product of its digits is 4116000, while the sum is 50.

The spelling of 57447172355 in words is "fifty-seven billion, four hundred forty-seven million, one hundred seventy-two thousand, three hundred fifty-five".