57268266 has 16 divisors (see below), whose sum is σ = 124949088. Its totient is φ = 17354000.

The previous prime is 57268259. The next prime is 57268271. The reversal of 57268266 is 66286275.

57268266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433785 + ... + 433916.

It is an arithmetic number, because the mean of its divisors is an integer number (7809318).

Almost surely, 2^57268266 is an apocalyptic number.

57268266 is an abundant number, since it is smaller than the sum of its proper divisors (67680822).

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

57268266 is a wasteful number, since it uses less digits than its factorization.

57268266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867717.

The product of its digits is 241920, while the sum is 42.

The square root of 57268266 is about 7567.5799302023. The cubic root of 57268266 is about 385.4529239787.

Subtracting 57268266 from its reverse (66286275), we obtain a square (9018009 = 3003²).

The spelling of 57268266 in words is "fifty-seven million, two hundred sixty-eight thousand, two hundred sixty-six".