51609153 has 8 divisors (see below), whose sum is σ = 69338016. Its totient is φ = 34143200.

The previous prime is 51609143. The next prime is 51609157. The reversal of 51609153 is 35190615.

51609153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 51609153 - 2⁴ = 51609137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51609153.

It is not an unprimeable number, because it can be changed into a prime (51609157) 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 7 ways as a sum of consecutive naturals, for example, 65268 + ... + 66053.

It is an arithmetic number, because the mean of its divisors is an integer number (8667252).

Almost surely, 2^51609153 is an apocalyptic number.

It is an amenable number.

51609153 is a deficient number, since it is larger than the sum of its proper divisors (17728863).

51609153 is a wasteful number, since it uses less digits than its factorization.

51609153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131455.

The product of its (nonzero) digits is 4050, while the sum is 30.

The square root of 51609153 is about 7183.9510716597. The cubic root of 51609153 is about 372.3136085342.

Adding to 51609153 its reverse (35190615), we get a palindrome (86799768).

The spelling of 51609153 in words is "fifty-one million, six hundred nine thousand, one hundred fifty-three".