55201130231 has 8 divisors (see below), whose sum is σ = 59457561744. Its totient is φ = 50946154560.

The previous prime is 55201130213. The next prime is 55201130239. The reversal of 55201130231 is 13203110255.

It is a happy number.

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 55201130231 - 2⁶ = 55201130167 is a prime.

It is a super-2 number, since 2×55201130231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55201130197 and 55201130206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55201130239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284561 + ... + 437466.

It is an arithmetic number, because the mean of its divisors is an integer number (7432195218).

Almost surely, 2^55201130231 is an apocalyptic number.

55201130231 is a deficient number, since it is larger than the sum of its proper divisors (4256431513).

55201130231 is a wasteful number, since it uses less digits than its factorization.

55201130231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727921.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 55201130231 its reverse (13203110255), we get a palindrome (68404240486).

The spelling of 55201130231 in words is "fifty-five billion, two hundred one million, one hundred thirty thousand, two hundred thirty-one".