51887146 has 8 divisors (see below), whose sum is σ = 77875200. Its totient is φ = 25928748.

The previous prime is 51887123. The next prime is 51887153. The reversal of 51887146 is 64178815.

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

It is a junction number, because it is equal to n+sod(n) for n = 51887099 and 51887108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2346 + ... + 10453.

It is an arithmetic number, because the mean of its divisors is an integer number (9734400).

Almost surely, 2^51887146 is an apocalyptic number.

51887146 is a deficient number, since it is larger than the sum of its proper divisors (25988054).

51887146 is a wasteful number, since it uses less digits than its factorization.

51887146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14828.

The product of its digits is 53760, while the sum is 40.

The square root of 51887146 is about 7203.2732837232. The cubic root of 51887146 is about 372.9809016377.

The spelling of 51887146 in words is "fifty-one million, eight hundred eighty-seven thousand, one hundred forty-six".