54490547 has 2 divisors, whose sum is σ = 54490548. Its totient is φ = 54490546.

The previous prime is 54490481. The next prime is 54490549. The reversal of 54490547 is 74509445.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54490547 - 2⁸ = 54490291 is a prime.

Together with 54490549, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54490547.

It is not a weakly prime, because it can be changed into another prime (54490549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27245273 + 27245274.

It is an arithmetic number, because the mean of its divisors is an integer number (27245274).

Almost surely, 2^54490547 is an apocalyptic number.

54490547 is a deficient number, since it is larger than the sum of its proper divisors (1).

54490547 is an equidigital number, since it uses as much as digits as its factorization.

54490547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 54490547 is about 7381.7712644053. The cubic root of 54490547 is about 379.1174045622.

The spelling of 54490547 in words is "fifty-four million, four hundred ninety thousand, five hundred forty-seven".