5135252550 has 96 divisors (see below), whose sum is σ = 13988747520. Its totient is φ = 1240905600.

The previous prime is 5135252537. The next prime is 5135252567. The reversal of 5135252550 is 552525315.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26380 + ... + 104720.

It is an arithmetic number, because the mean of its divisors is an integer number (145716120).

Almost surely, 2^5135252550 is an apocalyptic number.

5135252550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5135252550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6994373760).

5135252550 is an abundant number, since it is smaller than the sum of its proper divisors (8853494970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5135252550 is a wasteful number, since it uses less digits than its factorization.

5135252550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78398 (or 78393 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 33.

The square root of 5135252550 is about 71660.6764550824. The cubic root of 5135252550 is about 1725.2575460870.

Adding to 5135252550 its reverse (552525315), we get a palindrome (5687777865).

The spelling of 5135252550 in words is "five billion, one hundred thirty-five million, two hundred fifty-two thousand, five hundred fifty".