51854042 has 8 divisors (see below), whose sum is σ = 78104532. Its totient is φ = 25819200.

The previous prime is 51854039. The next prime is 51854083. The reversal of 51854042 is 24045815.

It can be written as a sum of positive squares in 2 ways, for example, as 50140561 + 1713481 = 7081^2 + 1309^2 .

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 = 51853996 and 51854014.

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, 53309 + ... + 54272.

Almost surely, 2^51854042 is an apocalyptic number.

51854042 is a deficient number, since it is larger than the sum of its proper divisors (26250490).

51854042 is a wasteful number, since it uses less digits than its factorization.

51854042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107824.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 51854042 is about 7200.9750728634. The cubic root of 51854042 is about 372.9015641557.

Adding to 51854042 its reverse (24045815), we get a palindrome (75899857).

The spelling of 51854042 in words is "fifty-one million, eight hundred fifty-four thousand, forty-two".