55053648 has 80 divisors (see below), whose sum is σ = 170197440. Its totient is φ = 16937856.

The previous prime is 55053643. The next prime is 55053653. The reversal of 55053648 is 84635055.

55053648 is a `hidden beast` number, since 5 + 5 + 0 + 5 + 3 + 648 = 666.

It is an interprime number because it is at equal distance from previous prime (55053643) and next prime (55053653).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55053643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 715 + ... + 10517.

It is an arithmetic number, because the mean of its divisors is an integer number (2127468).

Almost surely, 2^55053648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55053648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85098720).

55053648 is an abundant number, since it is smaller than the sum of its proper divisors (115143792).

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

55053648 is a wasteful number, since it uses less digits than its factorization.

55053648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9833 (or 9821 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 55053648 is about 7419.8145529386. The cubic root of 55053648 is about 380.4188548606.

The spelling of 55053648 in words is "fifty-five million, fifty-three thousand, six hundred forty-eight".