57195973 has 4 divisors (see below), whose sum is σ = 60560460. Its totient is φ = 53831488.

The previous prime is 57195949. The next prime is 57195991. The reversal of 57195973 is 37959175.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 36566209 + 20629764 = 6047^2 + 4542^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57195973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57195923) 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, 1682218 + ... + 1682251.

It is an arithmetic number, because the mean of its divisors is an integer number (15140115).

Almost surely, 2^57195973 is an apocalyptic number.

It is an amenable number.

57195973 is a deficient number, since it is larger than the sum of its proper divisors (3364487).

57195973 is a wasteful number, since it uses less digits than its factorization.

57195973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3364486.

The product of its digits is 297675, while the sum is 46.

The square root of 57195973 is about 7562.8019278572. The cubic root of 57195973 is about 385.2906626088.

The spelling of 57195973 in words is "fifty-seven million, one hundred ninety-five thousand, nine hundred seventy-three".