45216550 has 24 divisors (see below), whose sum is σ = 84978936. Its totient is φ = 17898240.

The previous prime is 45216547. The next prime is 45216559. The reversal of 45216550 is 5561254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45216559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189 + ... + 9511.

It is an arithmetic number, because the mean of its divisors is an integer number (3540789).

Almost surely, 2^45216550 is an apocalyptic number.

45216550 is a deficient number, since it is larger than the sum of its proper divisors (39762386).

45216550 is a wasteful number, since it uses less digits than its factorization.

45216550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9432 (or 9427 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 45216550 is about 6724.3252449595. The cubic root of 45216550 is about 356.2589697136.

The spelling of 45216550 in words is "forty-five million, two hundred sixteen thousand, five hundred fifty".