51885142 has 8 divisors (see below), whose sum is σ = 77859000. Its totient is φ = 25932144.

The previous prime is 51885083. The next prime is 51885151. The reversal of 51885142 is 24158815.

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 = 51885098 and 51885107.

It is a congruent number.

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, 5034 + ... + 11362.

It is an arithmetic number, because the mean of its divisors is an integer number (9732375).

Almost surely, 2^51885142 is an apocalyptic number.

51885142 is a deficient number, since it is larger than the sum of its proper divisors (25973858).

51885142 is a wasteful number, since it uses less digits than its factorization.

51885142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10430.

The product of its digits is 12800, while the sum is 34.

The square root of 51885142 is about 7203.1341789529. The cubic root of 51885142 is about 372.9760997847.

The spelling of 51885142 in words is "fifty-one million, eight hundred eighty-five thousand, one hundred forty-two".