55285844 has 12 divisors (see below), whose sum is σ = 99365364. Its totient is φ = 26895744.

The previous prime is 55285843. The next prime is 55285849. The reversal of 55285844 is 44858255.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 46512400 + 8773444 = 6820^2 + 2962^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55285843) 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, 186629 + ... + 186924.

It is an arithmetic number, because the mean of its divisors is an integer number (8280447).

Almost surely, 2^55285844 is an apocalyptic number.

It is an amenable number.

55285844 is a deficient number, since it is larger than the sum of its proper divisors (44079520).

55285844 is a wasteful number, since it uses less digits than its factorization.

55285844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373594 (or 373592 counting only the distinct ones).

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

The square root of 55285844 is about 7435.4451110878. The cubic root of 55285844 is about 380.9529269050.

The spelling of 55285844 in words is "fifty-five million, two hundred eighty-five thousand, eight hundred forty-four".