54166457 has 2 divisors, whose sum is σ = 54166458. Its totient is φ = 54166456.

The previous prime is 54166447. The next prime is 54166459. The reversal of 54166457 is 75466145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48497296 + 5669161 = 6964^2 + 2381^2 .

It is a cyclic number.

It is not a de Polignac number, because 54166457 - 2¹⁸ = 53904313 is a prime.

Together with 54166459, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54166457.

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, 27083228 + 27083229.

It is an arithmetic number, because the mean of its divisors is an integer number (27083229).

Almost surely, 2^54166457 is an apocalyptic number.

It is an amenable number.

54166457 is a deficient number, since it is larger than the sum of its proper divisors (1).

54166457 is an equidigital number, since it uses as much as digits as its factorization.

54166457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 38.

The square root of 54166457 is about 7359.7864778810. The cubic root of 54166457 is about 378.3642919200.

The spelling of 54166457 in words is "fifty-four million, one hundred sixty-six thousand, four hundred fifty-seven".