55889847 has 48 divisors (see below), whose sum is σ = 90994176. Its totient is φ = 32832000.

The previous prime is 55889837. The next prime is 55889857. The reversal of 55889847 is 74898855.

55889847 is a `hidden beast` number, since 558 + 8 + 9 + 84 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (55889837) and next prime (55889857).

It is not a de Polignac number, because 55889847 - 2⁶ = 55889783 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55889793 and 55889802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55889837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 292522 + ... + 292712.

It is an arithmetic number, because the mean of its divisors is an integer number (1895712).

Almost surely, 2^55889847 is an apocalyptic number.

55889847 is a deficient number, since it is larger than the sum of its proper divisors (35104329).

55889847 is a wasteful number, since it uses less digits than its factorization.

55889847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 309 counting only the distinct ones).

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

The square root of 55889847 is about 7475.9512438218. The cubic root of 55889847 is about 382.3352205784.

The spelling of 55889847 in words is "fifty-five million, eight hundred eighty-nine thousand, eight hundred forty-seven".