54309967 has 2 divisors, whose sum is σ = 54309968. Its totient is φ = 54309966.

The previous prime is 54309929. The next prime is 54309973. The reversal of 54309967 is 76990345.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54309967 - 2⁷ = 54309839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54304967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27154983 + 27154984.

It is an arithmetic number, because the mean of its divisors is an integer number (27154984).

Almost surely, 2^54309967 is an apocalyptic number.

54309967 is a deficient number, since it is larger than the sum of its proper divisors (1).

54309967 is an equidigital number, since it uses as much as digits as its factorization.

54309967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 54309967 is about 7369.5296322086. The cubic root of 54309967 is about 378.6981466044.

The spelling of 54309967 in words is "fifty-four million, three hundred nine thousand, nine hundred sixty-seven".