57266906 has 4 divisors (see below), whose sum is σ = 85900362. Its totient is φ = 28633452.

The previous prime is 57266887. The next prime is 57266939. The reversal of 57266906 is 60966275.

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., 48511225 + 8755681 = 6965^2 + 2959^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14316725 + ... + 14316728.

Almost surely, 2^57266906 is an apocalyptic number.

57266906 is a deficient number, since it is larger than the sum of its proper divisors (28633456).

57266906 is a wasteful number, since it uses less digits than its factorization.

57266906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28633455.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 57266906 is about 7567.4900726727. The cubic root of 57266906 is about 385.4498727244.

The spelling of 57266906 in words is "fifty-seven million, two hundred sixty-six thousand, nine hundred six".