55322131603 has 16 divisors (see below), whose sum is σ = 59674688640. Its totient is φ = 51114542400.

The previous prime is 55322131589. The next prime is 55322131661. The reversal of 55322131603 is 30613122355.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55322131603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55322131103) 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 15 ways as a sum of consecutive naturals, for example, 2615476 + ... + 2636542.

It is an arithmetic number, because the mean of its divisors is an integer number (3729668040).

Almost surely, 2^55322131603 is an apocalyptic number.

55322131603 is a deficient number, since it is larger than the sum of its proper divisors (4352557037).

55322131603 is a wasteful number, since it uses less digits than its factorization.

55322131603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24498.

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 55322131603 its reverse (30613122355), we get a palindrome (85935253958).

The spelling of 55322131603 in words is "fifty-five billion, three hundred twenty-two million, one hundred thirty-one thousand, six hundred three".