57485147 has 2 divisors, whose sum is σ = 57485148. Its totient is φ = 57485146.

The previous prime is 57485137. The next prime is 57485173. The reversal of 57485147 is 74158475.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57485147 - 2⁶ = 57485083 is a prime.

It is a super-2 number, since 2×57485147² = 6609084251223218, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57485107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28742573 + 28742574.

It is an arithmetic number, because the mean of its divisors is an integer number (28742574).

Almost surely, 2^57485147 is an apocalyptic number.

57485147 is a deficient number, since it is larger than the sum of its proper divisors (1).

57485147 is an equidigital number, since it uses as much as digits as its factorization.

57485147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 156800, while the sum is 41.

The square root of 57485147 is about 7581.8960029797. The cubic root of 57485147 is about 385.9388947274.

The spelling of 57485147 in words is "fifty-seven million, four hundred eighty-five thousand, one hundred forty-seven".