55231252443 has 12 divisors (see below), whose sum is σ = 79840673640. Its totient is φ = 36792128256.

The previous prime is 55231252441. The next prime is 55231252487. The reversal of 55231252443 is 34425213255.

55231252443 is a `hidden beast` number, since 5 + 523 + 125 + 2 + 4 + 4 + 3 = 666.

55231252443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55231252443 - 2¹ = 55231252441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55231252398 and 55231252407.

It is not an unprimeable number, because it can be changed into a prime (55231252441) 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, 2380038 + ... + 2403131.

It is an arithmetic number, because the mean of its divisors is an integer number (6653389470).

Almost surely, 2^55231252443 is an apocalyptic number.

55231252443 is a deficient number, since it is larger than the sum of its proper divisors (24609421197).

55231252443 is a wasteful number, since it uses less digits than its factorization.

55231252443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4784458 (or 4784455 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

Adding to 55231252443 its reverse (34425213255), we get a palindrome (89656465698).

The spelling of 55231252443 in words is "fifty-five billion, two hundred thirty-one million, two hundred fifty-two thousand, four hundred forty-three".