55385284 has 6 divisors (see below), whose sum is σ = 96924254. Its totient is φ = 27692640.

The previous prime is 55385279. The next prime is 55385293. The reversal of 55385284 is 48258355.

It can be written as a sum of positive squares in only one way, i.e., 55353600 + 31684 = 7440^2 + 178^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6923157 + ... + 6923164.

Almost surely, 2^55385284 is an apocalyptic number.

It is an amenable number.

55385284 is a deficient number, since it is larger than the sum of its proper divisors (41538970).

55385284 is a wasteful number, since it uses less digits than its factorization.

55385284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13846325 (or 13846323 counting only the distinct ones).

The product of its digits is 192000, while the sum is 40.

The square root of 55385284 is about 7442.1289964633. The cubic root of 55385284 is about 381.1811906993.

The spelling of 55385284 in words is "fifty-five million, three hundred eighty-five thousand, two hundred eighty-four".