50055553501 has 4 divisors (see below), whose sum is σ = 51781607100. Its totient is φ = 48329499904.

The previous prime is 50055553481. The next prime is 50055553517. The reversal of 50055553501 is 10535555005.

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 22349951001 + 27705602500 = 149499^2 + 166450^2 .

It is a cyclic number.

It is not a de Polignac number, because 50055553501 - 2⁵ = 50055553469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50055553531) 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, 863026756 + ... + 863026813.

It is an arithmetic number, because the mean of its divisors is an integer number (12945401775).

Almost surely, 2^50055553501 is an apocalyptic number.

It is an amenable number.

50055553501 is a deficient number, since it is larger than the sum of its proper divisors (1726053599).

50055553501 is a wasteful number, since it uses less digits than its factorization.

50055553501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726053598.

The product of its (nonzero) digits is 46875, while the sum is 34.

The spelling of 50055553501 in words is "fifty billion, fifty-five million, five hundred fifty-three thousand, five hundred one".