55312343 has 6 divisors (see below), whose sum is σ = 55948824. Its totient is φ = 54683024.

The previous prime is 55312331. The next prime is 55312349. The reversal of 55312343 is 34321355.

It is not a de Polignac number, because 55312343 - 2²⁰ = 54263767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55312349) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4430 + ... + 11412.

It is an arithmetic number, because the mean of its divisors is an integer number (9324804).

Almost surely, 2^55312343 is an apocalyptic number.

55312343 is a deficient number, since it is larger than the sum of its proper divisors (636481).

55312343 is an frugal number, since it uses more digits than its factorization.

55312343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7161 (or 7072 counting only the distinct ones).

The product of its digits is 5400, while the sum is 26.

The square root of 55312343 is about 7437.2268353197. The cubic root of 55312343 is about 381.0137818994.

Adding to 55312343 its reverse (34321355), we get a palindrome (89633698).

It can be divided in two parts, 55312 and 343, that added together give a palindrome (55655).

The spelling of 55312343 in words is "fifty-five million, three hundred twelve thousand, three hundred forty-three".