42513747550 has 24 divisors (see below), whose sum is σ = 79094482272. Its totient is φ = 17001432000.

The previous prime is 42513747517. The next prime is 42513747569. The reversal of 42513747550 is 5574731524.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42513747497 and 42513747506.

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 11 ways as a sum of consecutive naturals, for example, 114010 + ... + 313090.

It is an arithmetic number, because the mean of its divisors is an integer number (3295603428).

Almost surely, 2^42513747550 is an apocalyptic number.

42513747550 is a deficient number, since it is larger than the sum of its proper divisors (36580734722).

42513747550 is a wasteful number, since it uses less digits than its factorization.

42513747550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203364 (or 203359 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 43.

The spelling of 42513747550 in words is "forty-two billion, five hundred thirteen million, seven hundred forty-seven thousand, five hundred fifty".