54554399 has 2 divisors, whose sum is σ = 54554400. Its totient is φ = 54554398.

The previous prime is 54554371. The next prime is 54554407. The reversal of 54554399 is 99345545.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54554399 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54554329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27277199 + 27277200.

It is an arithmetic number, because the mean of its divisors is an integer number (27277200).

Almost surely, 2^54554399 is an apocalyptic number.

54554399 is a deficient number, since it is larger than the sum of its proper divisors (1).

54554399 is an equidigital number, since it uses as much as digits as its factorization.

54554399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 486000, while the sum is 44.

The square root of 54554399 is about 7386.0949763728. The cubic root of 54554399 is about 379.2654299635.

The spelling of 54554399 in words is "fifty-four million, five hundred fifty-four thousand, three hundred ninety-nine".