51061874 has 8 divisors (see below), whose sum is σ = 77196288. Its totient is φ = 25329780.

The previous prime is 51061859. The next prime is 51061883. The reversal of 51061874 is 47816015.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 51061874.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 100262 + ... + 100769.

It is an arithmetic number, because the mean of its divisors is an integer number (9649536).

Almost surely, 2^51061874 is an apocalyptic number.

51061874 is a deficient number, since it is larger than the sum of its proper divisors (26134414).

51061874 is a wasteful number, since it uses less digits than its factorization.

51061874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201160.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 51061874 is about 7145.7591619086. The cubic root of 51061874 is about 370.9928871574.

Adding to 51061874 its reverse (47816015), we get a palindrome (98877889).

The spelling of 51061874 in words is "fifty-one million, sixty-one thousand, eight hundred seventy-four".