51232050 has 144 divisors (see below), whose sum is σ = 150505992. Its totient is φ = 12441600.

The previous prime is 51232039. The next prime is 51232061. The reversal of 51232050 is 5023215.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (51232039) and next prime (51232061).

It can be written as a sum of positive squares in 12 ways, for example, as 4076361 + 47155689 = 2019^2 + 6867^2 .

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 71 ways as a sum of consecutive naturals, for example, 282960 + ... + 283140.

Almost surely, 2^51232050 is an apocalyptic number.

51232050 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 51232050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75252996).

51232050 is an abundant number, since it is smaller than the sum of its proper divisors (99273942).

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

51232050 is a wasteful number, since it uses less digits than its factorization.

51232050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 51232050 is about 7157.6567394644. The cubic root of 51232050 is about 371.4045712162.

Adding to 51232050 its reverse (5023215), we get a palindrome (56255265).

The spelling of 51232050 in words is "fifty-one million, two hundred thirty-two thousand, fifty".