50530291253 has 16 divisors (see below), whose sum is σ = 55340361216. Its totient is φ = 45855828480.

The previous prime is 50530291249. The next prime is 50530291267. The reversal of 50530291253 is 35219203505.

It is a cyclic number.

It is not a de Polignac number, because 50530291253 - 2² = 50530291249 is a prime.

It is a super-2 number, since 2×50530291253² (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 (50530294253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248276 + ... + 403362.

It is an arithmetic number, because the mean of its divisors is an integer number (3458772576).

Almost surely, 2^50530291253 is an apocalyptic number.

It is an amenable number.

50530291253 is a deficient number, since it is larger than the sum of its proper divisors (4810069963).

50530291253 is a wasteful number, since it uses less digits than its factorization.

50530291253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155524.

The product of its (nonzero) digits is 40500, while the sum is 35.

Adding to 50530291253 its reverse (35219203505), we get a palindrome (85749494758).

The spelling of 50530291253 in words is "fifty billion, five hundred thirty million, two hundred ninety-one thousand, two hundred fifty-three".