50055505505501 has 4 divisors (see below), whose sum is σ = 50055551807100. Its totient is φ = 50055459203904.

The previous prime is 50055505505443. The next prime is 50055505505543. The reversal of 50055505505501 is 10550550555005.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18760722763225 + 31294782742276 = 4331365^2 + 5594174^2 .

It is a cyclic number.

It is not a de Polignac number, because 50055505505501 - 2¹⁸ = 50055505243357 is a prime.

It is a super-2 number, since 2×50055505505501² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50055505501501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21489446 + ... + 23704583.

It is an arithmetic number, because the mean of its divisors is an integer number (12513887951775).

Almost surely, 2^{50055505505501} is an apocalyptic number.

It is an amenable number.

50055505505501 is a deficient number, since it is larger than the sum of its proper divisors (46301599).

50055505505501 is a wasteful number, since it uses less digits than its factorization.

50055505505501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46301598.

The product of its (nonzero) digits is 390625, while the sum is 41.

The spelling of 50055505505501 in words is "fifty trillion, fifty-five billion, five hundred five million, five hundred five thousand, five hundred one".