55352131 has 4 divisors (see below), whose sum is σ = 55369600. Its totient is φ = 55334664.

The previous prime is 55352123. The next prime is 55352183. The reversal of 55352131 is 13125355.

55352131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13125355 = 5 ⋅2625071.

It is a cyclic number.

It is not a de Polignac number, because 55352131 - 2³ = 55352123 is a prime.

It is a super-2 number, since 2×55352131² = 6127716812482322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55352096 and 55352105.

It is not an unprimeable number, because it can be changed into a prime (55352831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2496 + ... + 10813.

It is an arithmetic number, because the mean of its divisors is an integer number (13842400).

Almost surely, 2^55352131 is an apocalyptic number.

55352131 is a deficient number, since it is larger than the sum of its proper divisors (17469).

55352131 is a wasteful number, since it uses less digits than its factorization.

55352131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17468.

The product of its digits is 2250, while the sum is 25.

The square root of 55352131 is about 7439.9012762267. The cubic root of 55352131 is about 381.1051186126.

Adding to 55352131 its reverse (13125355), we get a palindrome (68477486).

The spelling of 55352131 in words is "fifty-five million, three hundred fifty-two thousand, one hundred thirty-one".