54233551 has 2 divisors, whose sum is σ = 54233552. Its totient is φ = 54233550.

The previous prime is 54233507. The next prime is 54233593. The reversal of 54233551 is 15533245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54233551 - 2¹¹ = 54231503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54233051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27116775 + 27116776.

It is an arithmetic number, because the mean of its divisors is an integer number (27116776).

Almost surely, 2^54233551 is an apocalyptic number.

54233551 is a deficient number, since it is larger than the sum of its proper divisors (1).

54233551 is an equidigital number, since it uses as much as digits as its factorization.

54233551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9000, while the sum is 28.

The square root of 54233551 is about 7364.3432157932. The cubic root of 54233551 is about 378.5204494442.

Adding to 54233551 its reverse (15533245), we get a palindrome (69766796).

The spelling of 54233551 in words is "fifty-four million, two hundred thirty-three thousand, five hundred fifty-one".