45551305540 has 48 divisors (see below), whose sum is σ = 103707500400. Its totient is φ = 16706050560.

The previous prime is 45551305531. The next prime is 45551305561. The reversal of 45551305540 is 4550315554.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 7222280256 + 38329025284 = 84984^2 + 195778^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 45551305540.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549171 + ... + 626650.

It is an arithmetic number, because the mean of its divisors is an integer number (2160572925).

Almost surely, 2^45551305540 is an apocalyptic number.

It is an amenable number.

45551305540 is an abundant number, since it is smaller than the sum of its proper divisors (58156194860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45551305540 is a wasteful number, since it uses less digits than its factorization.

45551305540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175992 (or 1175990 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 37.

The spelling of 45551305540 in words is "forty-five billion, five hundred fifty-one million, three hundred five thousand, five hundred forty".