51850142 has 8 divisors (see below), whose sum is σ = 81156816. Its totient is φ = 24797872.

The previous prime is 51850121. The next prime is 51850171. The reversal of 51850142 is 24105815.

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

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, 563543 + ... + 563634.

It is an arithmetic number, because the mean of its divisors is an integer number (10144602).

Almost surely, 2^51850142 is an apocalyptic number.

51850142 is a deficient number, since it is larger than the sum of its proper divisors (29306674).

51850142 is a wasteful number, since it uses less digits than its factorization.

51850142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127202.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 51850142 is about 7200.7042711113. The cubic root of 51850142 is about 372.8922151413.

Adding to 51850142 its reverse (24105815), we get a palindrome (75955957).

The spelling of 51850142 in words is "fifty-one million, eight hundred fifty thousand, one hundred forty-two".