55253328 has 40 divisors (see below), whose sum is σ = 153719328. Its totient is φ = 17000832.

The previous prime is 55253309. The next prime is 55253339. The reversal of 55253328 is 82335255.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43650 + ... + 44897.

Almost surely, 2^55253328 is an apocalyptic number.

It is an amenable number.

55253328 is an abundant number, since it is smaller than the sum of its proper divisors (98466000).

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

55253328 is a wasteful number, since it uses less digits than its factorization.

55253328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88571 (or 88565 counting only the distinct ones).

The product of its digits is 36000, while the sum is 33.

The square root of 55253328 is about 7433.2582357940. The cubic root of 55253328 is about 380.8782272849.

The spelling of 55253328 in words is "fifty-five million, two hundred fifty-three thousand, three hundred twenty-eight".