55894887 has 8 divisors (see below), whose sum is σ = 82807280. Its totient is φ = 37263240.

The previous prime is 55894879. The next prime is 55894897. The reversal of 55894887 is 78849855.

55894887 is a `hidden beast` number, since 558 + 9 + 4 + 8 + 87 = 666.

It is not a de Polignac number, because 55894887 - 2³ = 55894879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55894837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1035064 + ... + 1035117.

It is an arithmetic number, because the mean of its divisors is an integer number (10350910).

Almost surely, 2^55894887 is an apocalyptic number.

55894887 is a deficient number, since it is larger than the sum of its proper divisors (26912393).

55894887 is a wasteful number, since it uses less digits than its factorization.

55894887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070190 (or 2070184 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 54.

The square root of 55894887 is about 7476.2883170729. The cubic root of 55894887 is about 382.3467128959.

The spelling of 55894887 in words is "fifty-five million, eight hundred ninety-four thousand, eight hundred eighty-seven".