52695648 has 144 divisors (see below), whose sum is σ = 162751680. Its totient is φ = 16109568.

The previous prime is 52695647. The next prime is 52695653. The reversal of 52695648 is 84659625.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52695641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 229998 + ... + 230226.

It is an arithmetic number, because the mean of its divisors is an integer number (1130220).

Almost surely, 2^52695648 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 52695648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81375840).

52695648 is an abundant number, since it is smaller than the sum of its proper divisors (110056032).

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

52695648 is a wasteful number, since it uses less digits than its factorization.

52695648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 298 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 52695648 is about 7259.1768128349. The cubic root of 52695648 is about 374.9081801862.

The spelling of 52695648 in words is "fifty-two million, six hundred ninety-five thousand, six hundred forty-eight".