55085003287 has 16 divisors (see below), whose sum is σ = 58492772352. Its totient is φ = 51696040320.

The previous prime is 55085003249. The next prime is 55085003291. The reversal of 55085003287 is 78230058055.

55085003287 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 55085003287 - 2¹¹ = 55085001239 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 (55085003587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13397362 + ... + 13401472.

It is an arithmetic number, because the mean of its divisors is an integer number (3655798272).

Almost surely, 2^55085003287 is an apocalyptic number.

55085003287 is a deficient number, since it is larger than the sum of its proper divisors (3407769065).

55085003287 is a wasteful number, since it uses less digits than its factorization.

55085003287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6198.

The product of its (nonzero) digits is 336000, while the sum is 43.

The spelling of 55085003287 in words is "fifty-five billion, eighty-five million, three thousand, two hundred eighty-seven".