55468287 has 16 divisors (see below), whose sum is σ = 93914880. Its totient is φ = 31696056.

The previous prime is 55468279. The next prime is 55468289. The reversal of 55468287 is 78286455.

It is not a de Polignac number, because 55468287 - 2³ = 55468279 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55468289) 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, 146553 + ... + 146930.

It is an arithmetic number, because the mean of its divisors is an integer number (5869680).

Almost surely, 2^55468287 is an apocalyptic number.

55468287 is a deficient number, since it is larger than the sum of its proper divisors (38446593).

55468287 is a wasteful number, since it uses less digits than its factorization.

55468287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293499 (or 293493 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 55468287 is about 7447.7034715407. The cubic root of 55468287 is about 381.3715143611.

It can be divided in two parts, 55468 and 287, that added together give a palindrome (55755).

The spelling of 55468287 in words is "fifty-five million, four hundred sixty-eight thousand, two hundred eighty-seven".