57076266 has 48 divisors (see below), whose sum is σ = 129808224. Its totient is φ = 16629408.

The previous prime is 57076249. The next prime is 57076277. The reversal of 57076266 is 66267075.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27145 + ... + 29171.

It is an arithmetic number, because the mean of its divisors is an integer number (2704338).

Almost surely, 2^57076266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57076266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64904112).

57076266 is an abundant number, since it is smaller than the sum of its proper divisors (72731958).

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

57076266 is a wasteful number, since it uses less digits than its factorization.

57076266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083 (or 2064 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 57076266 is about 7554.8835861316. The cubic root of 57076266 is about 385.0216797821.

The spelling of 57076266 in words is "fifty-seven million, seventy-six thousand, two hundred sixty-six".