45731244431550 has 48 divisors (see below), whose sum is σ = 113416236646272. Its totient is φ = 12194702767200.

The previous prime is 45731244431531. The next prime is 45731244431573. The reversal of 45731244431550 is 5513444213754.

45731244431550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×45731244431550⁴ (a number of 56 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45731244431550.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2543935 + ... + 9896165.

It is an arithmetic number, because the mean of its divisors is an integer number (2362838263464).

Almost surely, 2^{45731244431550} is an apocalyptic number.

45731244431550 is an abundant number, since it is smaller than the sum of its proper divisors (67684992214722).

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

45731244431550 is a wasteful number, since it uses less digits than its factorization.

45731244431550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7393713 (or 7393708 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 48.

The spelling of 45731244431550 in words is "forty-five trillion, seven hundred thirty-one billion, two hundred forty-four million, four hundred thirty-one thousand, five hundred fifty".