51925143 has 8 divisors (see below), whose sum is σ = 69648768. Its totient is φ = 34409144.

The previous prime is 51925141. The next prime is 51925163. The reversal of 51925143 is 34152915.

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 51925143 - 2¹ = 51925141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51925143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51925141) 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, 51321 + ... + 52322.

It is an arithmetic number, because the mean of its divisors is an integer number (8706096).

Almost surely, 2^51925143 is an apocalyptic number.

51925143 is a deficient number, since it is larger than the sum of its proper divisors (17723625).

51925143 is a wasteful number, since it uses less digits than its factorization.

51925143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103813.

The product of its digits is 5400, while the sum is 30.

The square root of 51925143 is about 7205.9102825389. The cubic root of 51925143 is about 373.0719241638.

The spelling of 51925143 in words is "fifty-one million, nine hundred twenty-five thousand, one hundred forty-three".