54219007 has 2 divisors, whose sum is σ = 54219008. Its totient is φ = 54219006.

The previous prime is 54218953. The next prime is 54219017. The reversal of 54219007 is 70091245.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54219007 - 2¹¹ = 54216959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54219017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27109503 + 27109504.

It is an arithmetic number, because the mean of its divisors is an integer number (27109504).

Almost surely, 2^54219007 is an apocalyptic number.

54219007 is a deficient number, since it is larger than the sum of its proper divisors (1).

54219007 is an equidigital number, since it uses as much as digits as its factorization.

54219007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 54219007 is about 7363.3556888147. The cubic root of 54219007 is about 378.4866100372.

The spelling of 54219007 in words is "fifty-four million, two hundred nineteen thousand, seven".