50126261 has 4 divisors (see below), whose sum is σ = 51292032. Its totient is φ = 48960492.

The previous prime is 50126221. The next prime is 50126291. The reversal of 50126261 is 16262105.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16262105 = 5 ⋅3252421.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50126261 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 (50126221) 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, 582821 + ... + 582906.

It is an arithmetic number, because the mean of its divisors is an integer number (12823008).

Almost surely, 2^50126261 is an apocalyptic number.

It is an amenable number.

50126261 is a deficient number, since it is larger than the sum of its proper divisors (1165771).

50126261 is a wasteful number, since it uses less digits than its factorization.

50126261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165770.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 50126261 is about 7079.9901836090. The cubic root of 50126261 is about 368.7129888737.

Adding to 50126261 its reverse (16262105), we get a palindrome (66388366).

It can be divided in two parts, 501 and 26261, that added together give a palindrome (26762).

The spelling of 50126261 in words is "fifty million, one hundred twenty-six thousand, two hundred sixty-one".