52865648 has 40 divisors (see below), whose sum is σ = 118318320. Its totient is φ = 22615040.

The previous prime is 52865641. The next prime is 52865653. The reversal of 52865648 is 84656825.

It is a super-3 number, since 3×52865648³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 52865599 and 52865608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52865641) 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, 5843 + ... + 11826.

It is an arithmetic number, because the mean of its divisors is an integer number (2957958).

Almost surely, 2^52865648 is an apocalyptic number.

It is an amenable number.

52865648 is an abundant number, since it is smaller than the sum of its proper divisors (65452672).

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

52865648 is a wasteful number, since it uses less digits than its factorization.

52865648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17705 (or 17699 counting only the distinct ones).

The product of its digits is 460800, while the sum is 44.

The square root of 52865648 is about 7270.8767009213. The cubic root of 52865648 is about 375.3109077887.

The spelling of 52865648 in words is "fifty-two million, eight hundred sixty-five thousand, six hundred forty-eight".