55413324 has 18 divisors (see below), whose sum is σ = 140072660. Its totient is φ = 18471096.

The previous prime is 55413301. The next prime is 55413343. The reversal of 55413324 is 42331455.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 769594 + ... + 769665.

Almost surely, 2^55413324 is an apocalyptic number.

It is an amenable number.

55413324 is an abundant number, since it is smaller than the sum of its proper divisors (84659336).

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

55413324 is a wasteful number, since it uses less digits than its factorization.

55413324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539269 (or 1539264 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 55413324 is about 7444.0126276088. The cubic root of 55413324 is about 381.2455069255.

Adding to 55413324 its reverse (42331455), we get a palindrome (97744779).

The spelling of 55413324 in words is "fifty-five million, four hundred thirteen thousand, three hundred twenty-four".