57292266 has 8 divisors (see below), whose sum is σ = 114584544. Its totient is φ = 19097420.

The previous prime is 57292259. The next prime is 57292267. The reversal of 57292266 is 66229275.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

57292266 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (57292267) 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, 4774350 + ... + 4774361.

It is an arithmetic number, because the mean of its divisors is an integer number (14323068).

Almost surely, 2^57292266 is an apocalyptic number.

57292266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

57292266 is a wasteful number, since it uses less digits than its factorization.

57292266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9548716.

The product of its digits is 90720, while the sum is 39.

The square root of 57292266 is about 7569.1654757972. The cubic root of 57292266 is about 385.5067616963.

The spelling of 57292266 in words is "fifty-seven million, two hundred ninety-two thousand, two hundred sixty-six".