57397226 has 4 divisors (see below), whose sum is σ = 86095842. Its totient is φ = 28698612.

The previous prime is 57397201. The next prime is 57397243. The reversal of 57397226 is 62279375.

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., 54834025 + 2563201 = 7405^2 + 1601^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14349305 + ... + 14349308.

Almost surely, 2^57397226 is an apocalyptic number.

57397226 is a deficient number, since it is larger than the sum of its proper divisors (28698616).

57397226 is a wasteful number, since it uses less digits than its factorization.

57397226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28698615.

The product of its digits is 158760, while the sum is 41.

The square root of 57397226 is about 7576.0956963333. The cubic root of 57397226 is about 385.7420354847.

The spelling of 57397226 in words is "fifty-seven million, three hundred ninety-seven thousand, two hundred twenty-six".