52840755 has 80 divisors (see below), whose sum is σ = 107157600. Its totient is φ = 24675840.

The previous prime is 52840741. The next prime is 52840757. The reversal of 52840755 is 55704825.

It is a happy number.

It is not a de Polignac number, because 52840755 - 2¹¹ = 52838707 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52840757) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 128991 + ... + 129399.

It is an arithmetic number, because the mean of its divisors is an integer number (1339470).

Almost surely, 2^52840755 is an apocalyptic number.

52840755 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

52840755 is an abundant number, since it is smaller than the sum of its proper divisors (54316845).

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

52840755 is a wasteful number, since it uses less digits than its factorization.

52840755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 52840755 is about 7269.1646700291. The cubic root of 52840755 is about 375.2519906307.

The spelling of 52840755 in words is "fifty-two million, eight hundred forty thousand, seven hundred fifty-five".