5257421050 has 96 divisors (see below), whose sum is σ = 11337524352. Its totient is φ = 1776660480.

The previous prime is 5257421033. The next prime is 5257421051. The reversal of 5257421050 is 501247525.

It is not an unprimeable number, because it can be changed into a prime (5257421051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12141634 + ... + 12142066.

It is an arithmetic number, because the mean of its divisors is an integer number (118099212).

Almost surely, 2^5257421050 is an apocalyptic number.

5257421050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5257421050 is an abundant number, since it is smaller than the sum of its proper divisors (6080103302).

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

5257421050 is a wasteful number, since it uses less digits than its factorization.

5257421050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872 (or 867 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 5257421050 is about 72508.0757571183. The cubic root of 5257421050 is about 1738.8318501472.

Adding to 5257421050 its reverse (501247525), we get a palindrome (5758668575).

The spelling of 5257421050 in words is "five billion, two hundred fifty-seven million, four hundred twenty-one thousand, fifty".