52661129 has 8 divisors (see below), whose sum is σ = 55292160. Its totient is φ = 50084496.

The previous prime is 52661023. The next prime is 52661137. The reversal of 52661129 is 92116625.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52661129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52661095 and 52661104.

It is not an unprimeable number, because it can be changed into a prime (52661149) 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, 11609 + ... + 15494.

It is an arithmetic number, because the mean of its divisors is an integer number (6911520).

Almost surely, 2^52661129 is an apocalyptic number.

It is an amenable number.

52661129 is a deficient number, since it is larger than the sum of its proper divisors (2631031).

52661129 is a wasteful number, since it uses less digits than its factorization.

52661129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27199.

The product of its digits is 6480, while the sum is 32.

The square root of 52661129 is about 7256.7988121485. The cubic root of 52661129 is about 374.8262994059.

The spelling of 52661129 in words is "fifty-two million, six hundred sixty-one thousand, one hundred twenty-nine".