45505501 has 4 divisors (see below), whose sum is σ = 46081600. Its totient is φ = 44929404.

The previous prime is 45505459. The next prime is 45505561. The reversal of 45505501 is 10550554.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45505501 is a prime.

It is a super-3 number, since 3×45505501³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45505561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287931 + ... + 288088.

It is an arithmetic number, because the mean of its divisors is an integer number (11520400).

Almost surely, 2^45505501 is an apocalyptic number.

It is an amenable number.

45505501 is a deficient number, since it is larger than the sum of its proper divisors (576099).

45505501 is an equidigital number, since it uses as much as digits as its factorization.

45505501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576098.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 45505501 is about 6745.7765305412. The cubic root of 45505501 is about 357.0162358216.

The spelling of 45505501 in words is "forty-five million, five hundred five thousand, five hundred one".