55323842 has 40 divisors (see below), whose sum is σ = 99525132. Its totient is φ = 23049600.

The previous prime is 55323823. The next prime is 55323859. The reversal of 55323842 is 24832355.

It can be written as a sum of positive squares in 2 ways, for example, as 53304601 + 2019241 = 7301^2 + 1421^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55323799 and 55323808.

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 196742 + ... + 197022.

Almost surely, 2^55323842 is an apocalyptic number.

55323842 is a deficient number, since it is larger than the sum of its proper divisors (44201290).

55323842 is an equidigital number, since it uses as much as digits as its factorization.

55323842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 331 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 55323842 is about 7437.9998655553. Note that the first 3 decimals coincide. The cubic root of 55323842 is about 381.0401833237.

It can be divided in two parts, 55323 and 842, that added together give a palindrome (56165).

The spelling of 55323842 in words is "fifty-five million, three hundred twenty-three thousand, eight hundred forty-two".