245305253550 has 96 divisors (see below), whose sum is σ = 697971255552. Its totient is φ = 55851540480.

The previous prime is 245305253533. The next prime is 245305253579. The reversal of 245305253550 is 55352503542.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 245305253499 and 245305253508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 184672 + ... + 724371.

It is an arithmetic number, because the mean of its divisors is an integer number (7270533912).

Almost surely, 2^245305253550 is an apocalyptic number.

245305253550 is an abundant number, since it is smaller than the sum of its proper divisors (452666002002).

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

245305253550 is a wasteful number, since it uses less digits than its factorization.

245305253550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909322 (or 909317 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 39.

The spelling of 245305253550 in words is "two hundred forty-five billion, three hundred five million, two hundred fifty-three thousand, five hundred fifty".