55322412131 has 12 divisors (see below), whose sum is σ = 64443205008. Its totient is φ = 47353954032.

The previous prime is 55322412127. The next prime is 55322412149. The reversal of 55322412131 is 13121422355.

It is not a de Polignac number, because 55322412131 - 2² = 55322412127 is a prime.

It is a super-2 number, since 2×55322412131² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55322412094 and 55322412103.

It is not an unprimeable number, because it can be changed into a prime (55322412121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 740876 + ... + 812121.

It is an arithmetic number, because the mean of its divisors is an integer number (5370267084).

Almost surely, 2^55322412131 is an apocalyptic number.

55322412131 is a deficient number, since it is larger than the sum of its proper divisors (9120792877).

55322412131 is a wasteful number, since it uses less digits than its factorization.

55322412131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553738 (or 1553731 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

Adding to 55322412131 its reverse (13121422355), we get a palindrome (68443834486).

The spelling of 55322412131 in words is "fifty-five billion, three hundred twenty-two million, four hundred twelve thousand, one hundred thirty-one".