54549479 has 2 divisors, whose sum is σ = 54549480. Its totient is φ = 54549478.

The previous prime is 54549463. The next prime is 54549487. The reversal of 54549479 is 97494545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54549479 - 2⁴ = 54549463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54549419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27274739 + 27274740.

It is an arithmetic number, because the mean of its divisors is an integer number (27274740).

Almost surely, 2^54549479 is an apocalyptic number.

54549479 is a deficient number, since it is larger than the sum of its proper divisors (1).

54549479 is an equidigital number, since it uses as much as digits as its factorization.

54549479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 47.

The square root of 54549479 is about 7385.7619105953. The cubic root of 54549479 is about 379.2540282431.

The spelling of 54549479 in words is "fifty-four million, five hundred forty-nine thousand, four hundred seventy-nine".