57017272 has 16 divisors (see below), whose sum is σ = 115131240. Its totient is φ = 26315616.

The previous prime is 57017267. The next prime is 57017273. The reversal of 57017272 is 27271075.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57017273) 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, 274018 + ... + 274225.

Almost surely, 2^57017272 is an apocalyptic number.

57017272 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

57017272 is an abundant number, since it is smaller than the sum of its proper divisors (58113968).

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

57017272 is a wasteful number, since it uses less digits than its factorization.

57017272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548262 (or 548258 counting only the distinct ones).

The product of its (nonzero) digits is 6860, while the sum is 31.

The square root of 57017272 is about 7550.9782147746. The cubic root of 57017272 is about 384.8889813140. Note that the first 3 decimals are identical.

The spelling of 57017272 in words is "fifty-seven million, seventeen thousand, two hundred seventy-two".