50506051 has 4 divisors (see below), whose sum is σ = 50527072. Its totient is φ = 50485032.

The previous prime is 50506021. The next prime is 50506061. The reversal of 50506051 is 15060505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15060505 = 5 ⋅3012101.

It is a cyclic number.

It is not a de Polignac number, because 50506051 - 2⁵ = 50506019 is a prime.

It is a super-2 number, since 2×50506051² = 5101722375229202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50506021) 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, 6360 + ... + 11893.

It is an arithmetic number, because the mean of its divisors is an integer number (12631768).

Almost surely, 2^50506051 is an apocalyptic number.

50506051 is a deficient number, since it is larger than the sum of its proper divisors (21021).

50506051 is a wasteful number, since it uses less digits than its factorization.

50506051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21020.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 50506051 is about 7106.7609358976. The cubic root of 50506051 is about 369.6418521216.

Adding to 50506051 its reverse (15060505), we get a palindrome (65566556).

The spelling of 50506051 in words is "fifty million, five hundred six thousand, fifty-one".