55284493 has 16 divisors (see below), whose sum is σ = 64186560. Its totient is φ = 47059200.

The previous prime is 55284461. The next prime is 55284499. The reversal of 55284493 is 39448255.

55284493 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 55284493 - 2⁵ = 55284461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55284499) 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 15 ways as a sum of consecutive naturals, for example, 42178 + ... + 43468.

It is an arithmetic number, because the mean of its divisors is an integer number (4011660).

Almost surely, 2^55284493 is an apocalyptic number.

It is an amenable number.

55284493 is a deficient number, since it is larger than the sum of its proper divisors (8902067).

55284493 is a wasteful number, since it uses less digits than its factorization.

55284493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548.

The product of its digits is 172800, while the sum is 40.

The square root of 55284493 is about 7435.3542619031. The cubic root of 55284493 is about 380.9498238105.

The spelling of 55284493 in words is "fifty-five million, two hundred eighty-four thousand, four hundred ninety-three".