55426233 has 8 divisors (see below), whose sum is σ = 76285696. Its totient is φ = 35758800.

The previous prime is 55426223. The next prime is 55426237. The reversal of 55426233 is 33262455.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55426233 - 2⁸ = 55425977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55426233.

It is not an unprimeable number, because it can be changed into a prime (55426237) 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, 297898 + ... + 298083.

It is an arithmetic number, because the mean of its divisors is an integer number (9535712).

Almost surely, 2^55426233 is an apocalyptic number.

It is an amenable number.

55426233 is a deficient number, since it is larger than the sum of its proper divisors (20859463).

55426233 is a wasteful number, since it uses less digits than its factorization.

55426233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596015.

The product of its digits is 21600, while the sum is 30.

The square root of 55426233 is about 7444.8796497996. The cubic root of 55426233 is about 381.2751094096.

Adding to 55426233 its reverse (33262455), we get a palindrome (88688688).

The spelling of 55426233 in words is "fifty-five million, four hundred twenty-six thousand, two hundred thirty-three".