312533055505550 has 48 divisors (see below), whose sum is σ = 634454735614992. Its totient is φ = 113595202118400.

The previous prime is 312533055505501. The next prime is 312533055505591. The reversal of 312533055505550 is 55505550335213.

It is a junction number, because it is equal to n+sod(n) for n = 312533055505495 and 312533055505504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131777837 + ... + 134128536.

It is an arithmetic number, because the mean of its divisors is an integer number (13217806991979).

Almost surely, 2^{312533055505550} is an apocalyptic number.

312533055505550 is an abundant number, since it is smaller than the sum of its proper divisors (321921680109442).

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

312533055505550 is a wasteful number, since it uses less digits than its factorization.

312533055505550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265908533 (or 265908528 counting only the distinct ones).

The product of its (nonzero) digits is 4218750, while the sum is 47.

The spelling of 312533055505550 in words is "three hundred twelve trillion, five hundred thirty-three billion, fifty-five million, five hundred five thousand, five hundred fifty".