55113332 has 6 divisors (see below), whose sum is σ = 96448338. Its totient is φ = 27556664.

The previous prime is 55113299. The next prime is 55113341. The reversal of 55113332 is 23331155.

It can be written as a sum of positive squares in only one way, i.e., 52911076 + 2202256 = 7274^2 + 1484^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55113298 and 55113307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6889163 + ... + 6889170.

It is an arithmetic number, because the mean of its divisors is an integer number (16074723).

Almost surely, 2^55113332 is an apocalyptic number.

It is an amenable number.

55113332 is a deficient number, since it is larger than the sum of its proper divisors (41335006).

55113332 is a wasteful number, since it uses less digits than its factorization.

55113332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13778337 (or 13778335 counting only the distinct ones).

The product of its digits is 1350, while the sum is 23.

The square root of 55113332 is about 7423.8353968821. The cubic root of 55113332 is about 380.5562766897.

Adding to 55113332 its reverse (23331155), we get a palindrome (78444487).

The spelling of 55113332 in words is "fifty-five million, one hundred thirteen thousand, three hundred thirty-two".