55421302105232 has 40 divisors (see below), whose sum is σ = 124447028487552. Its totient is φ = 23417451590400.

The previous prime is 55421302105199. The next prime is 55421302105277. The reversal of 55421302105232 is 23250120312455.

It is a junction number, because it is equal to n+sod(n) for n = 55421302105192 and 55421302105201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3484731869 + ... + 3484747772.

Almost surely, 2^{55421302105232} is an apocalyptic number.

It is an amenable number.

55421302105232 is an abundant number, since it is smaller than the sum of its proper divisors (69025726382320).

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

55421302105232 is a wasteful number, since it uses less digits than its factorization.

55421302105232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6969479727 (or 6969479721 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 55421302105232 its reverse (23250120312455), we get a palindrome (78671422417687).

The spelling of 55421302105232 in words is "fifty-five trillion, four hundred twenty-one billion, three hundred two million, one hundred five thousand, two hundred thirty-two".