51050130 has 64 divisors (see below), whose sum is σ = 126499968. Its totient is φ = 13178880.

The previous prime is 51050101. The next prime is 51050143. The reversal of 51050130 is 3105015.

51050130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51050130² = 5212231546033800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154065 + ... + 154395.

It is an arithmetic number, because the mean of its divisors is an integer number (1976562).

Almost surely, 2^51050130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51050130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63249984).

51050130 is an abundant number, since it is smaller than the sum of its proper divisors (75449838).

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

51050130 is a wasteful number, since it uses less digits than its factorization.

51050130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491.

The product of its (nonzero) digits is 75, while the sum is 15.

The square root of 51050130 is about 7144.9373685149. The cubic root of 51050130 is about 370.9644427481.

Adding to 51050130 its reverse (3105015), we get a palindrome (54155145).

The spelling of 51050130 in words is "fifty-one million, fifty thousand, one hundred thirty".