50611061005551 has 6 divisors (see below), whose sum is σ = 73104865896920. Its totient is φ = 33740707337028.

The previous prime is 50611061005517. The next prime is 50611061005607. The reversal of 50611061005551 is 15550016011605.

It is a happy number.

It is not a de Polignac number, because 50611061005551 - 2⁶ = 50611061005487 is a prime.

It is a super-2 number, since 2×50611061005551² (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 (50611061005451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2811725611411 + ... + 2811725611428.

Almost surely, 2^{50611061005551} is an apocalyptic number.

50611061005551 is a deficient number, since it is larger than the sum of its proper divisors (22493804891369).

50611061005551 is a wasteful number, since it uses less digits than its factorization.

50611061005551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5623451222845 (or 5623451222842 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 36.

The spelling of 50611061005551 in words is "fifty trillion, six hundred eleven billion, sixty-one million, five thousand, five hundred fifty-one".