54478967 has 2 divisors, whose sum is σ = 54478968. Its totient is φ = 54478966.

The previous prime is 54478961. The next prime is 54478993. The reversal of 54478967 is 76987445.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54478967 - 2⁶ = 54478903 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 (54478961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27239483 + 27239484.

It is an arithmetic number, because the mean of its divisors is an integer number (27239484).

Almost surely, 2^54478967 is an apocalyptic number.

54478967 is a deficient number, since it is larger than the sum of its proper divisors (1).

54478967 is an equidigital number, since it uses as much as digits as its factorization.

54478967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 50.

The square root of 54478967 is about 7380.9868581376. The cubic root of 54478967 is about 379.0905467504.

The spelling of 54478967 in words is "fifty-four million, four hundred seventy-eight thousand, nine hundred sixty-seven".