55380008 has 8 divisors (see below), whose sum is σ = 103837530. Its totient is φ = 27690000.

The previous prime is 55379993. The next prime is 55380011. The reversal of 55380008 is 80008355.

It can be written as a sum of positive squares in only one way, i.e., 38912644 + 16467364 = 6238^2 + 4058^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3461243 + ... + 3461258.

Almost surely, 2^55380008 is an apocalyptic number.

It is an amenable number.

55380008 is a deficient number, since it is larger than the sum of its proper divisors (48457522).

55380008 is a wasteful number, since it uses less digits than its factorization.

55380008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6922507 (or 6922503 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 55380008 is about 7441.7745195618. The cubic root of 55380008 is about 381.1690865464.

The spelling of 55380008 in words is "fifty-five million, three hundred eighty thousand, eight".