52612789 has 4 divisors (see below), whose sum is σ = 52644556. Its totient is φ = 52581024.

The previous prime is 52612771. The next prime is 52612811. The reversal of 52612789 is 98721625.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 412164 + 52200625 = 642^2 + 7225^2 .

It is a cyclic number.

It is not a de Polignac number, because 52612789 - 2⁹ = 52612277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52612489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13254 + ... + 16759.

It is an arithmetic number, because the mean of its divisors is an integer number (13161139).

Almost surely, 2^52612789 is an apocalyptic number.

It is an amenable number.

52612789 is a deficient number, since it is larger than the sum of its proper divisors (31767).

52612789 is a wasteful number, since it uses less digits than its factorization.

52612789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31766.

The product of its digits is 60480, while the sum is 40.

The square root of 52612789 is about 7253.4673777442. The cubic root of 52612789 is about 374.7115743668.

The spelling of 52612789 in words is "fifty-two million, six hundred twelve thousand, seven hundred eighty-nine".