57266260 has 12 divisors (see below), whose sum is σ = 120259188. Its totient is φ = 22906496.

The previous prime is 57266219. The next prime is 57266263. The reversal of 57266260 is 6266275.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21696964 + 35569296 = 4658^2 + 5964^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57266263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1431637 + ... + 1431676.

It is an arithmetic number, because the mean of its divisors is an integer number (10021599).

Almost surely, 2^57266260 is an apocalyptic number.

It is an amenable number.

57266260 is an abundant number, since it is smaller than the sum of its proper divisors (62992928).

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

57266260 is a wasteful number, since it uses less digits than its factorization.

57266260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863322 (or 2863320 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 57266260 is about 7567.4473899724. The cubic root of 57266260 is about 385.4484233617.

The spelling of 57266260 in words is "fifty-seven million, two hundred sixty-six thousand, two hundred sixty".