55331343 has 24 divisors (see below), whose sum is σ = 83683600. Its totient is φ = 36531648.

The previous prime is 55331327. The next prime is 55331351. The reversal of 55331343 is 34313355.

It is a happy number.

It is not a de Polignac number, because 55331343 - 2⁴ = 55331327 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55331303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25443 + ... + 27531.

Almost surely, 2^55331343 is an apocalyptic number.

55331343 is a deficient number, since it is larger than the sum of its proper divisors (28352257).

55331343 is a wasteful number, since it uses less digits than its factorization.

55331343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2213 (or 2201 counting only the distinct ones).

The product of its digits is 8100, while the sum is 27.

The square root of 55331343 is about 7438.5040834835. The cubic root of 55331343 is about 381.0574034657.

Adding to 55331343 its reverse (34313355), we get a palindrome (89644698).

The spelling of 55331343 in words is "fifty-five million, three hundred thirty-one thousand, three hundred forty-three".