52075690 has 8 divisors (see below), whose sum is σ = 93736260. Its totient is φ = 20830272.

The previous prime is 52075669. The next prime is 52075697. The reversal of 52075690 is 9657025.

52075690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 44769481 + 7306209 = 6691^2 + 2703^2 .

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

It is a super-2 number, since 2×52075690² = 5423754977952200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52075697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2603775 + ... + 2603794.

Almost surely, 2^52075690 is an apocalyptic number.

52075690 is a deficient number, since it is larger than the sum of its proper divisors (41660570).

52075690 is a wasteful number, since it uses less digits than its factorization.

52075690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5207576.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 52075690 is about 7216.3487997740. The cubic root of 52075690 is about 373.4321264552.

The spelling of 52075690 in words is "fifty-two million, seventy-five thousand, six hundred ninety".