55452533 has 2 divisors, whose sum is σ = 55452534. Its totient is φ = 55452532.

The previous prime is 55452511. The next prime is 55452547. The reversal of 55452533 is 33525455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55383364 + 69169 = 7442^2 + 263^2 .

It is a cyclic number.

It is not a de Polignac number, because 55452533 - 2¹⁴ = 55436149 is a prime.

It is a super-2 number, since 2×55452533² = 6149966832232178, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55452533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55452503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27726266 + 27726267.

It is an arithmetic number, because the mean of its divisors is an integer number (27726267).

Almost surely, 2^55452533 is an apocalyptic number.

It is an amenable number.

55452533 is a deficient number, since it is larger than the sum of its proper divisors (1).

55452533 is an equidigital number, since it uses as much as digits as its factorization.

55452533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45000, while the sum is 32.

The square root of 55452533 is about 7446.6457549691. The cubic root of 55452533 is about 381.3354054656.

Adding to 55452533 its reverse (33525455), we get a palindrome (88977988).

The spelling of 55452533 in words is "fifty-five million, four hundred fifty-two thousand, five hundred thirty-three".