45550507 has 2 divisors, whose sum is σ = 45550508. Its totient is φ = 45550506.

The previous prime is 45550487. The next prime is 45550517. The reversal of 45550507 is 70505554.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45550507 is a prime.

It is not a weakly prime, because it can be changed into another prime (45550517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22775253 + 22775254.

It is an arithmetic number, because the mean of its divisors is an integer number (22775254).

Almost surely, 2^45550507 is an apocalyptic number.

45550507 is a deficient number, since it is larger than the sum of its proper divisors (1).

45550507 is an equidigital number, since it uses as much as digits as its factorization.

45550507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17500, while the sum is 31.

The square root of 45550507 is about 6749.1115711625. Note that the first 3 decimals coincide. The cubic root of 45550507 is about 357.1338961637.

The spelling of 45550507 in words is "forty-five million, five hundred fifty thousand, five hundred seven".