55510287 has 48 divisors (see below), whose sum is σ = 92504160. Its totient is φ = 29417472.

The previous prime is 55510283. The next prime is 55510289. The reversal of 55510287 is 78201555.

It is a happy number.

55510287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55510287 - 2² = 55510283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55510283) 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 47 ways as a sum of consecutive naturals, for example, 242289 + ... + 242517.

It is an arithmetic number, because the mean of its divisors is an integer number (1927170).

Almost surely, 2^55510287 is an apocalyptic number.

55510287 is a deficient number, since it is larger than the sum of its proper divisors (36993873).

55510287 is a wasteful number, since it uses less digits than its factorization.

55510287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 33.

The square root of 55510287 is about 7450.5225991201. The cubic root of 55510287 is about 381.4677469016.

The spelling of 55510287 in words is "fifty-five million, five hundred ten thousand, two hundred eighty-seven".