245455513305550 has 24 divisors (see below), whose sum is σ = 471274585549632. Its totient is φ = 95015037408000.

The previous prime is 245455513305547. The next prime is 245455513305649. The reversal of 245455513305550 is 55503315554542.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79179196291 + ... + 79179199390.

It is an arithmetic number, because the mean of its divisors is an integer number (19636441064568).

Almost surely, 2^{245455513305550} is an apocalyptic number.

245455513305550 is a deficient number, since it is larger than the sum of its proper divisors (225819072244082).

245455513305550 is a wasteful number, since it uses less digits than its factorization.

245455513305550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158358395724 (or 158358395719 counting only the distinct ones).

The product of its (nonzero) digits is 22500000, while the sum is 52.

The spelling of 245455513305550 in words is "two hundred forty-five trillion, four hundred fifty-five billion, five hundred thirteen million, three hundred five thousand, five hundred fifty".