51016050 has 72 divisors (see below), whose sum is σ = 139030164. Its totient is φ = 13409280.

The previous prime is 51016039. The next prime is 51016079. The reversal of 51016050 is 5061015.

It can be written as a sum of positive squares in 6 ways, for example, as 9529569 + 41486481 = 3087^2 + 6441^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 32074 + ... + 33626.

Almost surely, 2^51016050 is an apocalyptic number.

51016050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 51016050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69515082).

51016050 is an abundant number, since it is smaller than the sum of its proper divisors (88014114).

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

51016050 is a wasteful number, since it uses less digits than its factorization.

51016050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644 (or 1636 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 51016050 is about 7142.5520649135. The cubic root of 51016050 is about 370.8818750018.

Adding to 51016050 its reverse (5061015), we get a palindrome (56077065).

The spelling of 51016050 in words is "fifty-one million, sixteen thousand, fifty".