13550422425 has 48 divisors (see below), whose sum is σ = 22826217600. Its totient is φ = 7091504640.

The previous prime is 13550422253. The next prime is 13550422427. The reversal of 13550422425 is 52422405531.

It is a happy number.

13550422425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13550422425 - 2²² = 13546228121 is a prime.

It is a super-2 number, since 2×13550422425² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13550422427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1083307 + ... + 1095743.

It is an arithmetic number, because the mean of its divisors is an integer number (475546200).

Almost surely, 2^13550422425 is an apocalyptic number.

13550422425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13550422425 is a deficient number, since it is larger than the sum of its proper divisors (9275795175).

13550422425 is a wasteful number, since it uses less digits than its factorization.

13550422425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12722 (or 12717 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 13550422425 its reverse (52422405531), we get a palindrome (65972827956).

The spelling of 13550422425 in words is "thirteen billion, five hundred fifty million, four hundred twenty-two thousand, four hundred twenty-five".