52406669 has 8 divisors (see below), whose sum is σ = 60128448. Its totient is φ = 44743680.

The previous prime is 52406633. The next prime is 52406687. The reversal of 52406669 is 96660425.

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-52406669 is a prime.

It is a super-2 number, since 2×52406669² = 5492917911351122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52406609) 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, 12767 + ... + 16364.

It is an arithmetic number, because the mean of its divisors is an integer number (7516056).

Almost surely, 2^52406669 is an apocalyptic number.

It is an amenable number.

52406669 is a deficient number, since it is larger than the sum of its proper divisors (7721779).

52406669 is a wasteful number, since it uses less digits than its factorization.

52406669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29395.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 52406669 is about 7239.2450573247. The cubic root of 52406669 is about 374.2216007778.

The spelling of 52406669 in words is "fifty-two million, four hundred six thousand, six hundred sixty-nine".