57472267 has 4 divisors (see below), whose sum is σ = 57490776. Its totient is φ = 57453760.

The previous prime is 57472241. The next prime is 57472279. The reversal of 57472267 is 76227475.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57472267 is a prime.

It is a super-2 number, since 2×57472267² = 6606122948238578, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57472297) 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, 3334 + ... + 11227.

It is an arithmetic number, because the mean of its divisors is an integer number (14372694).

Almost surely, 2^57472267 is an apocalyptic number.

57472267 is a deficient number, since it is larger than the sum of its proper divisors (18509).

57472267 is a wasteful number, since it uses less digits than its factorization.

57472267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18508.

The product of its digits is 164640, while the sum is 40.

The square root of 57472267 is about 7581.0465636349. The cubic root of 57472267 is about 385.9100683579.

The spelling of 57472267 in words is "fifty-seven million, four hundred seventy-two thousand, two hundred sixty-seven".