55203231424 has 56 divisors (see below), whose sum is σ = 120218289408. Its totient is φ = 24942071040.

The previous prime is 55203231401. The next prime is 55203231437. The reversal of 55203231424 is 42413230255.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 117204 + ... + 352339.

It is an arithmetic number, because the mean of its divisors is an integer number (2146755168).

Almost surely, 2^55203231424 is an apocalyptic number.

It is an amenable number.

55203231424 is an abundant number, since it is smaller than the sum of its proper divisors (65015057984).

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

55203231424 is a wasteful number, since it uses less digits than its factorization.

55203231424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469733 (or 469723 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 55203231424 its reverse (42413230255), we get a palindrome (97616461679).

The spelling of 55203231424 in words is "fifty-five billion, two hundred three million, two hundred thirty-one thousand, four hundred twenty-four".