51452569 has 8 divisors (see below), whose sum is σ = 58862528. Its totient is φ = 44057520.

The previous prime is 51452563. The next prime is 51452573. The reversal of 51452569 is 96525415.

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

It is a cyclic number.

It is not a de Polignac number, because 51452569 - 2⁵ = 51452537 is a prime.

It is a super-2 number, since 2×51452569² = 5294733713399522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51452563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5059 + ... + 11335.

It is an arithmetic number, because the mean of its divisors is an integer number (7357816).

Almost surely, 2^51452569 is an apocalyptic number.

It is an amenable number.

51452569 is a deficient number, since it is larger than the sum of its proper divisors (7409959).

51452569 is a wasteful number, since it uses less digits than its factorization.

51452569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7455.

The product of its digits is 54000, while the sum is 37.

The square root of 51452569 is about 7173.0446115997. The cubic root of 51452569 is about 371.9366895187.

The spelling of 51452569 in words is "fifty-one million, four hundred fifty-two thousand, five hundred sixty-nine".