57455607197 has 4 divisors (see below), whose sum is σ = 57456091356. Its totient is φ = 57455123040.

The previous prime is 57455607191. The next prime is 57455607221. The reversal of 57455607197 is 79170655475.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 20094196516 + 37361410681 = 141754^2 + 193291^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57455607197 is a prime.

It is a super-2 number, since 2×57455607197² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57455607191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70247 + ... + 346187.

It is an arithmetic number, because the mean of its divisors is an integer number (14364022839).

Almost surely, 2^57455607197 is an apocalyptic number.

It is an amenable number.

57455607197 is a deficient number, since it is larger than the sum of its proper divisors (484159).

57455607197 is a wasteful number, since it uses less digits than its factorization.

57455607197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484158.

The product of its (nonzero) digits is 9261000, while the sum is 56.

The spelling of 57455607197 in words is "fifty-seven billion, four hundred fifty-five million, six hundred seven thousand, one hundred ninety-seven".