50051101010555 has 4 divisors (see below), whose sum is σ = 60061321212672. Its totient is φ = 40040880808440.

The previous prime is 50051101010551. The next prime is 50051101010597. The reversal of 50051101010555 is 55501010115005.

It is a happy number.

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

It is not a de Polignac number, because 50051101010555 - 2² = 50051101010551 is a prime.

It is a super-2 number, since 2×50051101010555² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50051101010551) 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, 5005110101051 + ... + 5005110101060.

It is an arithmetic number, because the mean of its divisors is an integer number (15015330303168).

Almost surely, 2^{50051101010555} is an apocalyptic number.

50051101010555 is a deficient number, since it is larger than the sum of its proper divisors (10010220202117).

50051101010555 is a wasteful number, since it uses less digits than its factorization.

50051101010555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010220202116.

The product of its (nonzero) digits is 3125, while the sum is 29.

The spelling of 50051101010555 in words is "fifty trillion, fifty-one billion, one hundred one million, ten thousand, five hundred fifty-five".