50510100 has 72 divisors (see below), whose sum is σ = 147678048. Its totient is φ = 13328000.

The previous prime is 50510051. The next prime is 50510107. The reversal of 50510100 is 101505.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50510107) 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, 29467 + ... + 31133.

It is an arithmetic number, because the mean of its divisors is an integer number (2051084).

Almost surely, 2^50510100 is an apocalyptic number.

50510100 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 50510100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73839024).

50510100 is an abundant number, since it is smaller than the sum of its proper divisors (97167948).

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

50510100 is a wasteful number, since it uses less digits than its factorization.

50510100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785 (or 1778 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 12.

The square root of 50510100 is about 7107.0457997680. The cubic root of 50510100 is about 369.6517297491.

Adding to 50510100 its reverse (101505), we get a palindrome (50611605).

The spelling of 50510100 in words is "fifty million, five hundred ten thousand, one hundred".