50001001156556 has 6 divisors (see below), whose sum is σ = 87501752023980. Its totient is φ = 25000500578276.

The previous prime is 50001001156543. The next prime is 50001001156571. The reversal of 50001001156556 is 65565110010005.

It is a super-3 number, since 3×50001001156556³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6250125144566 + ... + 6250125144573.

It is an arithmetic number, because the mean of its divisors is an integer number (14583625337330).

Almost surely, 2^{50001001156556} is an apocalyptic number.

It is an amenable number.

50001001156556 is a deficient number, since it is larger than the sum of its proper divisors (37500750867424).

50001001156556 is a wasteful number, since it uses less digits than its factorization.

50001001156556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12500250289143 (or 12500250289141 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 50001001156556 in words is "fifty trillion, one billion, one million, one hundred fifty-six thousand, five hundred fifty-six".