57231147 has 8 divisors (see below), whose sum is σ = 76345920. Its totient is φ = 38135240.

The previous prime is 57231143. The next prime is 57231191. The reversal of 57231147 is 74113275.

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

It is a cyclic number.

It is not a de Polignac number, because 57231147 - 2² = 57231143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57231143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5572 + ... + 12062.

It is an arithmetic number, because the mean of its divisors is an integer number (9543240).

Almost surely, 2^57231147 is an apocalyptic number.

57231147 is a deficient number, since it is larger than the sum of its proper divisors (19114773).

57231147 is a wasteful number, since it uses less digits than its factorization.

57231147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9433.

The product of its digits is 5880, while the sum is 30.

The square root of 57231147 is about 7565.1270313194. The cubic root of 57231147 is about 385.3696275890.

The spelling of 57231147 in words is "fifty-seven million, two hundred thirty-one thousand, one hundred forty-seven".