42554333 has 2 divisors, whose sum is σ = 42554334. Its totient is φ = 42554332.

The previous prime is 42554321. The next prime is 42554341. The reversal of 42554333 is 33345524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41434969 + 1119364 = 6437^2 + 1058^2 .

It is a cyclic number.

It is not a de Polignac number, because 42554333 - 2¹⁴ = 42537949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42554296 and 42554305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42554233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21277166 + 21277167.

It is an arithmetic number, because the mean of its divisors is an integer number (21277167).

Almost surely, 2^42554333 is an apocalyptic number.

It is an amenable number.

42554333 is a deficient number, since it is larger than the sum of its proper divisors (1).

42554333 is an equidigital number, since it uses as much as digits as its factorization.

42554333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 29.

The square root of 42554333 is about 6523.3682250813. The cubic root of 42554333 is about 349.1252523174.

Adding to 42554333 its reverse (33345524), we get a palindrome (75899857).

The spelling of 42554333 in words is "forty-two million, five hundred fifty-four thousand, three hundred thirty-three".