45475550 has 24 divisors (see below), whose sum is σ = 89038200. Its totient is φ = 17232480.

The previous prime is 45475541. The next prime is 45475559. The reversal of 45475550 is 5557454.

It is an interprime number because it is at equal distance from previous prime (45475541) and next prime (45475559).

It is a self number, because there is not a number n which added to its sum of digits gives 45475550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45475559) 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 11 ways as a sum of consecutive naturals, for example, 22985 + ... + 24884.

It is an arithmetic number, because the mean of its divisors is an integer number (3709925).

Almost surely, 2^45475550 is an apocalyptic number.

45475550 is a deficient number, since it is larger than the sum of its proper divisors (43562650).

45475550 is a wasteful number, since it uses less digits than its factorization.

45475550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47900 (or 47895 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 35.

The square root of 45475550 is about 6743.5561834984. The cubic root of 45475550 is about 356.9378911534.

The spelling of 45475550 in words is "forty-five million, four hundred seventy-five thousand, five hundred fifty".