54166499 has 2 divisors, whose sum is σ = 54166500. Its totient is φ = 54166498.

The previous prime is 54166459. The next prime is 54166507. The reversal of 54166499 is 99466145.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54166499 is a prime.

It is a super-2 number, since 2×54166499² = 5868019227834002, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54166459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27083249 + 27083250.

It is an arithmetic number, because the mean of its divisors is an integer number (27083250).

Almost surely, 2^54166499 is an apocalyptic number.

54166499 is a deficient number, since it is larger than the sum of its proper divisors (1).

54166499 is an equidigital number, since it uses as much as digits as its factorization.

54166499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 44.

The square root of 54166499 is about 7359.7893312241. The cubic root of 54166499 is about 378.3643897130.

The spelling of 54166499 in words is "fifty-four million, one hundred sixty-six thousand, four hundred ninety-nine".