55064187 has 12 divisors (see below), whose sum is σ = 79664104. Its totient is φ = 36650880.

The previous prime is 55064183. The next prime is 55064203. The reversal of 55064187 is 78146055.

55064187 is a `hidden beast` number, since 5 + 5 + 0 + 641 + 8 + 7 = 666.

It is not a de Polignac number, because 55064187 - 2² = 55064183 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55064183) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1512 + ... + 10602.

Almost surely, 2^55064187 is an apocalyptic number.

55064187 is a deficient number, since it is larger than the sum of its proper divisors (24599917).

55064187 is a wasteful number, since it uses less digits than its factorization.

55064187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9770 (or 9767 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 55064187 is about 7420.5247119055. The cubic root of 55064187 is about 380.4431280235.

The spelling of 55064187 in words is "fifty-five million, sixty-four thousand, one hundred eighty-seven".