45550515 has 16 divisors (see below), whose sum is σ = 74851488. Its totient is φ = 23636736.

The previous prime is 45550507. The next prime is 45550517. The reversal of 45550515 is 51505554.

It is not a de Polignac number, because 45550515 - 2³ = 45550507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45550517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40482 + ... + 41591.

It is an arithmetic number, because the mean of its divisors is an integer number (4678218).

Almost surely, 2^45550515 is an apocalyptic number.

45550515 is a deficient number, since it is larger than the sum of its proper divisors (29300973).

45550515 is a wasteful number, since it uses less digits than its factorization.

45550515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82118.

The product of its (nonzero) digits is 12500, while the sum is 30.

The square root of 45550515 is about 6749.1121638331. The cubic root of 45550515 is about 357.1339170715.

The spelling of 45550515 in words is "forty-five million, five hundred fifty thousand, five hundred fifteen".