50510400 has 168 divisors, whose sum is σ = 175747680. Its totient is φ = 12656640.

The previous prime is 50510389. The next prime is 50510407. The reversal of 50510400 is 401505.

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

It is a self number, because there is not a number n which added to its sum of digits gives 50510400.

It is not an unprimeable number, because it can be changed into a prime (50510407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81291 + ... + 81909.

Almost surely, 2^50510400 is an apocalyptic number.

50510400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50510400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87873840).

50510400 is an abundant number, since it is smaller than the sum of its proper divisors (125237280).

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

50510400 is a wasteful number, since it uses less digits than its factorization.

50510400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 50510400 is about 7107.0669055525. The cubic root of 50510400 is about 369.6524615849.

Adding to 50510400 its reverse (401505), we get a palindrome (50911905).

The spelling of 50510400 in words is "fifty million, five hundred ten thousand, four hundred".