55368136 has 8 divisors (see below), whose sum is σ = 103815270. Its totient is φ = 27684064.

The previous prime is 55368121. The next prime is 55368149. The reversal of 55368136 is 63186355.

55368136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 39765636 + 15602500 = 6306^2 + 3950^2 .

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

It is a super-2 number, since 2×55368136² = 6131260968228992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55368095 and 55368104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3460501 + ... + 3460516.

Almost surely, 2^55368136 is an apocalyptic number.

It is an amenable number.

55368136 is a deficient number, since it is larger than the sum of its proper divisors (48447134).

55368136 is a wasteful number, since it uses less digits than its factorization.

55368136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6921023 (or 6921019 counting only the distinct ones).

The product of its digits is 64800, while the sum is 37.

The square root of 55368136 is about 7440.9768175959. The cubic root of 55368136 is about 381.1418470969.

The spelling of 55368136 in words is "fifty-five million, three hundred sixty-eight thousand, one hundred thirty-six".