52755681 has 16 divisors (see below), whose sum is σ = 77531328. Its totient is φ = 31641600.

The previous prime is 52755679. The next prime is 52755691. The reversal of 52755681 is 18655725.

It is not a de Polignac number, because 52755681 - 2¹ = 52755679 is a prime.

It is a super-2 number, since 2×52755681² = 5566323755547522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52755631) 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, 5040 + ... + 11441.

It is an arithmetic number, because the mean of its divisors is an integer number (4845708).

Almost surely, 2^52755681 is an apocalyptic number.

It is an amenable number.

52755681 is a deficient number, since it is larger than the sum of its proper divisors (24775647).

52755681 is a wasteful number, since it uses less digits than its factorization.

52755681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16592.

The product of its digits is 84000, while the sum is 39.

The square root of 52755681 is about 7263.3106088064. The cubic root of 52755681 is about 375.0504963111.

The spelling of 52755681 in words is "fifty-two million, seven hundred fifty-five thousand, six hundred eighty-one".