51016104 has 96 divisors (see below), whose sum is σ = 145945800. Its totient is φ = 16074240.

The previous prime is 51016087. The next prime is 51016151. The reversal of 51016104 is 40161015.

51016104 is a `hidden beast` number, since 51 + 0 + 1 + 610 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 44756100 + 6260004 = 6690^2 + 2502^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

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 23 ways as a sum of consecutive naturals, for example, 110434 + ... + 110894.

Almost surely, 2^51016104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51016104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72972900).

51016104 is an abundant number, since it is smaller than the sum of its proper divisors (94929696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51016104 is a wasteful number, since it uses less digits than its factorization.

51016104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 51016104 is about 7142.5558450739. Note that the first 3 decimals coincide. The cubic root of 51016104 is about 370.8820058601.

Adding to 51016104 its reverse (40161015), we get a palindrome (91177119).

The spelling of 51016104 in words is "fifty-one million, sixteen thousand, one hundred four".