57066499 has 4 divisors (see below), whose sum is σ = 65218864. Its totient is φ = 48914136.

The previous prime is 57066497. The next prime is 57066523. The reversal of 57066499 is 99466075.

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

It is a cyclic number.

It is not a de Polignac number, because 57066499 - 2¹ = 57066497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57066497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4076172 + ... + 4076185.

It is an arithmetic number, because the mean of its divisors is an integer number (16304716).

Almost surely, 2^57066499 is an apocalyptic number.

57066499 is a deficient number, since it is larger than the sum of its proper divisors (8152365).

57066499 is an equidigital number, since it uses as much as digits as its factorization.

57066499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8152364.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 57066499 is about 7554.2371553983. The cubic root of 57066499 is about 384.9997166468. Note that the first 3 decimals are identical.

The spelling of 57066499 in words is "fifty-seven million, sixty-six thousand, four hundred ninety-nine".