55484285 has 4 divisors (see below), whose sum is σ = 66581148. Its totient is φ = 44387424.

The previous prime is 55484281. The next prime is 55484329. The reversal of 55484285 is 58248455.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43903876 + 11580409 = 6626^2 + 3403^2 .

It is a cyclic number.

It is not a de Polignac number, because 55484285 - 2² = 55484281 is a prime.

It is a super-2 number, since 2×55484285² = 6157011763922450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55484281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5548424 + ... + 5548433.

It is an arithmetic number, because the mean of its divisors is an integer number (16645287).

Almost surely, 2^55484285 is an apocalyptic number.

It is an amenable number.

55484285 is a deficient number, since it is larger than the sum of its proper divisors (11096863).

55484285 is a wasteful number, since it uses less digits than its factorization.

55484285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11096862.

The product of its digits is 256000, while the sum is 41.

The square root of 55484285 is about 7448.7774164624. Note that the first 3 decimals coincide. The cubic root of 55484285 is about 381.4081755198.

The spelling of 55484285 in words is "fifty-five million, four hundred eighty-four thousand, two hundred eighty-five".