50611055501 has 4 divisors (see below), whose sum is σ = 50611797600. Its totient is φ = 50610313404.

The previous prime is 50611055477. The next prime is 50611055597. The reversal of 50611055501 is 10555011605.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50611055501 - 2²² = 50606861197 is a prime.

It is a super-2 number, since 2×50611055501² (a number of 22 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 (50611055401) 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, 257081 + ... + 409038.

It is an arithmetic number, because the mean of its divisors is an integer number (12652949400).

Almost surely, 2^50611055501 is an apocalyptic number.

It is an amenable number.

50611055501 is a deficient number, since it is larger than the sum of its proper divisors (742099).

50611055501 is an equidigital number, since it uses as much as digits as its factorization.

50611055501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742098.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 50611055501 in words is "fifty billion, six hundred eleven million, fifty-five thousand, five hundred one".