54028207 has 2 divisors, whose sum is σ = 54028208. Its totient is φ = 54028206.

The previous prime is 54028181. The next prime is 54028211. The reversal of 54028207 is 70282045.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54028207 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54028277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27014103 + 27014104.

It is an arithmetic number, because the mean of its divisors is an integer number (27014104).

Almost surely, 2^54028207 is an apocalyptic number.

54028207 is a deficient number, since it is larger than the sum of its proper divisors (1).

54028207 is an equidigital number, since it uses as much as digits as its factorization.

54028207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 54028207 is about 7350.3882210398. The cubic root of 54028207 is about 378.0421157221.

The spelling of 54028207 in words is "fifty-four million, twenty-eight thousand, two hundred seven".