54454187 has 2 divisors, whose sum is σ = 54454188. Its totient is φ = 54454186.

The previous prime is 54454181. The next prime is 54454201. The reversal of 54454187 is 78145445.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54454187 is a prime.

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 54454187.

It is not a weakly prime, because it can be changed into another prime (54454181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27227093 + 27227094.

It is an arithmetic number, because the mean of its divisors is an integer number (27227094).

Almost surely, 2^54454187 is an apocalyptic number.

54454187 is a deficient number, since it is larger than the sum of its proper divisors (1).

54454187 is an equidigital number, since it uses as much as digits as its factorization.

54454187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 89600, while the sum is 38.

The square root of 54454187 is about 7379.3080298901. The cubic root of 54454187 is about 379.0330610276.

The spelling of 54454187 in words is "fifty-four million, four hundred fifty-four thousand, one hundred eighty-seven".