50055001511 has 4 divisors (see below), whose sum is σ = 50057000112. Its totient is φ = 50053002912.

The previous prime is 50055001487. The next prime is 50055001531. The reversal of 50055001511 is 11510055005.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11510055005 = 5 ⋅2302011001.

It is a cyclic number.

It is not a de Polignac number, because 50055001511 - 2²² = 50050807207 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 (50055001531) 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, 961250 + ... + 1011983.

It is an arithmetic number, because the mean of its divisors is an integer number (12514250028).

Almost surely, 2^50055001511 is an apocalyptic number.

50055001511 is a deficient number, since it is larger than the sum of its proper divisors (1998601).

50055001511 is a wasteful number, since it uses less digits than its factorization.

50055001511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998600.

The product of its (nonzero) digits is 625, while the sum is 23.

Adding to 50055001511 its reverse (11510055005), we get a palindrome (61565056516).

The spelling of 50055001511 in words is "fifty billion, fifty-five million, one thousand, five hundred eleven".