55203467320 has 16 divisors (see below), whose sum is σ = 124207801560. Its totient is φ = 22081386912.

The previous prime is 55203467269. The next prime is 55203467321. The reversal of 55203467320 is 2376430255.

It is a self number, because there is not a number n which added to its sum of digits gives 55203467320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55203467321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 690043302 + ... + 690043381.

Almost surely, 2^55203467320 is an apocalyptic number.

It is an amenable number.

55203467320 is an abundant number, since it is smaller than the sum of its proper divisors (69004334240).

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

55203467320 is a wasteful number, since it uses less digits than its factorization.

55203467320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380086694 (or 1380086690 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 37.

Adding to 55203467320 its reverse (2376430255), we get a palindrome (57579897575).

The spelling of 55203467320 in words is "fifty-five billion, two hundred three million, four hundred sixty-seven thousand, three hundred twenty".