45454545550 has 12 divisors (see below), whose sum is σ = 84545454816. Its totient is φ = 18181818200.

The previous prime is 45454545527. The next prime is 45454545607. The reversal of 45454545550 is 5554545454.

It is a super-2 number, since 2×45454545550² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45454545550.

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, 454545406 + ... + 454545505.

It is an arithmetic number, because the mean of its divisors is an integer number (7045454568).

Almost surely, 2^45454545550 is an apocalyptic number.

45454545550 is a deficient number, since it is larger than the sum of its proper divisors (39090909266).

45454545550 is a wasteful number, since it uses less digits than its factorization.

45454545550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909090923 (or 909090918 counting only the distinct ones).

The product of its (nonzero) digits is 4000000, while the sum is 46.

The spelling of 45454545550 in words is "forty-five billion, four hundred fifty-four million, five hundred forty-five thousand, five hundred fifty".