57272466 has 8 divisors (see below), whose sum is σ = 114544944. Its totient is φ = 19090820.

The previous prime is 57272459. The next prime is 57272491. The reversal of 57272466 is 66427275.

It is a happy number.

57272466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

57272466 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 4772700 + ... + 4772711.

It is an arithmetic number, because the mean of its divisors is an integer number (14318118).

Almost surely, 2^57272466 is an apocalyptic number.

57272466 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.

57272466 is a wasteful number, since it uses less digits than its factorization.

57272466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9545416.

The product of its digits is 141120, while the sum is 39.

The square root of 57272466 is about 7567.8574246612. The cubic root of 57272466 is about 385.4623466650.

The spelling of 57272466 in words is "fifty-seven million, two hundred seventy-two thousand, four hundred sixty-six".