57106266 has 24 divisors (see below), whose sum is σ = 132860160. Its totient is φ = 16315992.

The previous prime is 57106261. The next prime is 57106271. The reversal of 57106266 is 66260175.

It is an interprime number because it is at equal distance from previous prime (57106261) and next prime (57106271).

It is a super-2 number, since 2×57106266² = 6522251232925512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57106261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96826 + ... + 97413.

It is an arithmetic number, because the mean of its divisors is an integer number (5535840).

Almost surely, 2^57106266 is an apocalyptic number.

57106266 is an abundant number, since it is smaller than the sum of its proper divisors (75753894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57106266 is a wasteful number, since it uses less digits than its factorization.

57106266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194258 (or 194251 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 57106266 is about 7556.8687960027. The cubic root of 57106266 is about 385.0891253719.

The spelling of 57106266 in words is "fifty-seven million, one hundred six thousand, two hundred sixty-six".