55153284 has 24 divisors (see below), whose sum is σ = 131120640. Its totient is φ = 18037344.

The previous prime is 55153283. The next prime is 55153289. The reversal of 55153284 is 48235155.

It is not an unprimeable number, because it can be changed into a prime (55153283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42724 + ... + 43995.

It is an arithmetic number, because the mean of its divisors is an integer number (5463360).

Almost surely, 2^55153284 is an apocalyptic number.

It is an amenable number.

55153284 is an abundant number, since it is smaller than the sum of its proper divisors (75967356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55153284 is a wasteful number, since it uses less digits than its factorization.

55153284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86779 (or 86777 counting only the distinct ones).

The product of its digits is 24000, while the sum is 33.

The square root of 55153284 is about 7426.5257018339. The cubic root of 55153284 is about 380.6482103560.

It can be divided in two parts, 551 and 53284, that added together give a palindrome (53835).

The spelling of 55153284 in words is "fifty-five million, one hundred fifty-three thousand, two hundred eighty-four".