53622648 has 80 divisors (see below), whose sum is σ = 152155080. Its totient is φ = 17641152.

The previous prime is 53622643. The next prime is 53622671. The reversal of 53622648 is 84622635.

53622648 is a `hidden beast` number, since 5 + 3 + 6 + 2 + 2 + 648 = 666.

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 (53622643) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 53286 + ... + 54282.

Almost surely, 2^53622648 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 53622648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76077540).

53622648 is an abundant number, since it is smaller than the sum of its proper divisors (98532432).

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

53622648 is a wasteful number, since it uses less digits than its factorization.

53622648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098 (or 1085 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 53622648 is about 7322.7486642654. The cubic root of 53622648 is about 377.0938233182.

The spelling of 53622648 in words is "fifty-three million, six hundred twenty-two thousand, six hundred forty-eight".