45538550 has 12 divisors (see below), whose sum is σ = 84701796. Its totient is φ = 18215400.

The previous prime is 45538499. The next prime is 45538561. The reversal of 45538550 is 5583554.

It is a super-2 number, since 2×45538550² = 4147519072205000, 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 45538550.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 455336 + ... + 455435.

It is an arithmetic number, because the mean of its divisors is an integer number (7058483).

Almost surely, 2^45538550 is an apocalyptic number.

45538550 is a deficient number, since it is larger than the sum of its proper divisors (39163246).

45538550 is a wasteful number, since it uses less digits than its factorization.

45538550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910783 (or 910778 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

The square root of 45538550 is about 6748.2256927284. The cubic root of 45538550 is about 357.1026442343.

The spelling of 45538550 in words is "forty-five million, five hundred thirty-eight thousand, five hundred fifty".