50505005501 has 4 divisors (see below), whose sum is σ = 50506471104. Its totient is φ = 50503539900.

The previous prime is 50505005461. The next prime is 50505005519. The reversal of 50505005501 is 10550050505.

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 50505005501 - 2⁶ = 50505005437 is a prime.

It is a super-2 number, since 2×50505005501² (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 (50505005521) 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, 679835 + ... + 750456.

It is an arithmetic number, because the mean of its divisors is an integer number (12626617776).

Almost surely, 2^50505005501 is an apocalyptic number.

It is an amenable number.

50505005501 is a deficient number, since it is larger than the sum of its proper divisors (1465603).

50505005501 is a wasteful number, since it uses less digits than its factorization.

50505005501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465602.

The product of its (nonzero) digits is 3125, while the sum is 26.

The spelling of 50505005501 in words is "fifty billion, five hundred five million, five thousand, five hundred one".