45255533 has 2 divisors, whose sum is σ = 45255534. Its totient is φ = 45255532.

The previous prime is 45255527. The next prime is 45255557. The reversal of 45255533 is 33555254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38217124 + 7038409 = 6182^2 + 2653^2 .

It is a cyclic number.

It is not a de Polignac number, because 45255533 - 2⁴ = 45255517 is a prime.

It is a super-2 number, since 2×45255533² = 4096126534228178, 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 45255533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45255503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22627766 + 22627767.

It is an arithmetic number, because the mean of its divisors is an integer number (22627767).

Almost surely, 2^45255533 is an apocalyptic number.

It is an amenable number.

45255533 is a deficient number, since it is larger than the sum of its proper divisors (1).

45255533 is an equidigital number, since it uses as much as digits as its factorization.

45255533 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 45255533 is about 6727.2232756168. The cubic root of 45255533 is about 356.3613220174.

The spelling of 45255533 in words is "forty-five million, two hundred fifty-five thousand, five hundred thirty-three".