51427523 has 8 divisors (see below), whose sum is σ = 58818048. Its totient is φ = 44047944.

The previous prime is 51427513. The next prime is 51427529. The reversal of 51427523 is 32572415.

It is a happy number.

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 51427523 - 2⁶ = 51427459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51427529) 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, 15140 + ... + 18222.

It is an arithmetic number, because the mean of its divisors is an integer number (7352256).

Almost surely, 2^51427523 is an apocalyptic number.

51427523 is a deficient number, since it is larger than the sum of its proper divisors (7390525).

51427523 is a wasteful number, since it uses less digits than its factorization.

51427523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5473.

The product of its digits is 8400, while the sum is 29.

The square root of 51427523 is about 7171.2985574441. The cubic root of 51427523 is about 371.8763294729.

Adding to 51427523 its reverse (32572415), we get a palindrome (83999938).

The spelling of 51427523 in words is "fifty-one million, four hundred twenty-seven thousand, five hundred twenty-three".