55506324 has 24 divisors (see below), whose sum is σ = 129834208. Its totient is φ = 18456480.

The previous prime is 55506313. The next prime is 55506329. The reversal of 55506324 is 42360555.

It is a junction number, because it is equal to n+sod(n) for n = 55506291 and 55506300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55506329) 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, 442 + ... + 10545.

Almost surely, 2^55506324 is an apocalyptic number.

It is an amenable number.

55506324 is an abundant number, since it is smaller than the sum of its proper divisors (74327884).

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

55506324 is a wasteful number, since it uses less digits than its factorization.

55506324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11415 (or 11413 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 55506324 is about 7450.2566398749. The cubic root of 55506324 is about 381.4586687484.

Adding to 55506324 its reverse (42360555), we get a palindrome (97866879).

The spelling of 55506324 in words is "fifty-five million, five hundred six thousand, three hundred twenty-four".