50661548801 has 4 divisors (see below), whose sum is σ = 50926792704. Its totient is φ = 50396304900.

The previous prime is 50661548767. The next prime is 50661548837. The reversal of 50661548801 is 10884516605.

50661548801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 50661548801 - 2³⁴ = 33481679617 is a prime.

It is a super-2 number, since 2×50661548801² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50661548501) 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, 132621665 + ... + 132622046.

It is an arithmetic number, because the mean of its divisors is an integer number (12731698176).

Almost surely, 2^50661548801 is an apocalyptic number.

It is an amenable number.

50661548801 is a deficient number, since it is larger than the sum of its proper divisors (265243903).

50661548801 is a wasteful number, since it uses less digits than its factorization.

50661548801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265243902.

The product of its (nonzero) digits is 230400, while the sum is 44.

The spelling of 50661548801 in words is "fifty billion, six hundred sixty-one million, five hundred forty-eight thousand, eight hundred one".