54305551 has 2 divisors, whose sum is σ = 54305552. Its totient is φ = 54305550.

The previous prime is 54305533. The next prime is 54305597. The reversal of 54305551 is 15550345.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54305551 - 2⁷ = 54305423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54305501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27152775 + 27152776.

It is an arithmetic number, because the mean of its divisors is an integer number (27152776).

Almost surely, 2^54305551 is an apocalyptic number.

54305551 is a deficient number, since it is larger than the sum of its proper divisors (1).

54305551 is an equidigital number, since it uses as much as digits as its factorization.

54305551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 54305551 is about 7369.2300140517. The cubic root of 54305551 is about 378.6878822126.

Adding to 54305551 its reverse (15550345), we get a palindrome (69855896).

The spelling of 54305551 in words is "fifty-four million, three hundred five thousand, five hundred fifty-one".