54543007 has 2 divisors, whose sum is σ = 54543008. Its totient is φ = 54543006.

The previous prime is 54542947. The next prime is 54543017. The reversal of 54543007 is 70034545.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54543007 is a prime.

It is a super-2 number, since 2×54543007² = 5949879225204098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54543017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27271503 + 27271504.

It is an arithmetic number, because the mean of its divisors is an integer number (27271504).

Almost surely, 2^54543007 is an apocalyptic number.

54543007 is a deficient number, since it is larger than the sum of its proper divisors (1).

54543007 is an equidigital number, since it uses as much as digits as its factorization.

54543007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 54543007 is about 7385.3237572905. The cubic root of 54543007 is about 379.2390288383.

The spelling of 54543007 in words is "fifty-four million, five hundred forty-three thousand, seven".