55053887 has 16 divisors (see below), whose sum is σ = 66988800. Its totient is φ = 44193600.

The previous prime is 55053863. The next prime is 55053893. The reversal of 55053887 is 78835055.

55053887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 55053887 - 2¹⁰ = 55052863 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 (55053827) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 9512 + ... + 14162.

It is an arithmetic number, because the mean of its divisors is an integer number (4186800).

Almost surely, 2^55053887 is an apocalyptic number.

55053887 is a deficient number, since it is larger than the sum of its proper divisors (11934913).

55053887 is a wasteful number, since it uses less digits than its factorization.

55053887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4766.

The product of its (nonzero) digits is 168000, while the sum is 41.

The square root of 55053887 is about 7419.8306584450. The cubic root of 55053887 is about 380.4194053538.

The spelling of 55053887 in words is "fifty-five million, fifty-three thousand, eight hundred eighty-seven".