57172162 has 4 divisors (see below), whose sum is σ = 85758246. Its totient is φ = 28586080.

The previous prime is 57172127. The next prime is 57172169. The reversal of 57172162 is 26127175.

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

It can be written as a sum of positive squares in only one way, i.e., 45414121 + 11758041 = 6739^2 + 3429^2 .

It is a super-2 number, since 2×57172162² = 6537312215508488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57172169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14293039 + ... + 14293042.

Almost surely, 2^57172162 is an apocalyptic number.

57172162 is a deficient number, since it is larger than the sum of its proper divisors (28586084).

57172162 is a wasteful number, since it uses less digits than its factorization.

57172162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28586083.

The product of its digits is 5880, while the sum is 31.

The square root of 57172162 is about 7561.2275458420. The cubic root of 57172162 is about 385.2371889761.

The spelling of 57172162 in words is "fifty-seven million, one hundred seventy-two thousand, one hundred sixty-two".