55424311 has 8 divisors (see below), whose sum is σ = 60224000. Its totient is φ = 50812920.

The previous prime is 55424287. The next prime is 55424321. The reversal of 55424311 is 11342455.

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 55424311 - 2⁹ = 55423799 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 (55424321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46461 + ... + 47638.

It is an arithmetic number, because the mean of its divisors is an integer number (7528000).

Almost surely, 2^55424311 is an apocalyptic number.

55424311 is a deficient number, since it is larger than the sum of its proper divisors (4799689).

55424311 is a wasteful number, since it uses less digits than its factorization.

55424311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94149.

The product of its digits is 2400, while the sum is 25.

The square root of 55424311 is about 7444.7505666745. The cubic root of 55424311 is about 381.2707022351.

Adding to 55424311 its reverse (11342455), we get a palindrome (66766766).

The spelling of 55424311 in words is "fifty-five million, four hundred twenty-four thousand, three hundred eleven".