55320326131 has 8 divisors (see below), whose sum is σ = 63235149824. Its totient is φ = 47408482440.

The previous prime is 55320326129. The next prime is 55320326183. The reversal of 55320326131 is 13162302355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55320326131 - 2¹ = 55320326129 is a prime.

It is a super-2 number, since 2×55320326131² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55320326093 and 55320326102.

It is not an unprimeable number, because it can be changed into a prime (55320326111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705075 + ... + 779596.

It is an arithmetic number, because the mean of its divisors is an integer number (7904393728).

Almost surely, 2^55320326131 is an apocalyptic number.

55320326131 is a deficient number, since it is larger than the sum of its proper divisors (7914823693).

55320326131 is a wasteful number, since it uses less digits than its factorization.

55320326131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490001.

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

Adding to 55320326131 its reverse (13162302355), we get a palindrome (68482628486).

The spelling of 55320326131 in words is "fifty-five billion, three hundred twenty million, three hundred twenty-six thousand, one hundred thirty-one".