55323402 has 32 divisors (see below), whose sum is σ = 117288000. Its totient is φ = 17347968.

The previous prime is 55323319. The next prime is 55323431. The reversal of 55323402 is 20432355.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15358 + ... + 18614.

It is an arithmetic number, because the mean of its divisors is an integer number (3665250).

Almost surely, 2^55323402 is an apocalyptic number.

55323402 is an abundant number, since it is smaller than the sum of its proper divisors (61964598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55323402 is a wasteful number, since it uses less digits than its factorization.

55323402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3430.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 55323402 is about 7437.9702876524. The cubic root of 55323402 is about 381.0391731617.

Adding to 55323402 its reverse (20432355), we get a palindrome (75755757).

The spelling of 55323402 in words is "fifty-five million, three hundred twenty-three thousand, four hundred two".