50490100 has 18 divisors (see below), whose sum is σ = 109563734. Its totient is φ = 20196000.

The previous prime is 50490091. The next prime is 50490107. The reversal of 50490100 is 109405.

It can be written as a sum of positive squares in 3 ways, for example, as 5035536 + 45454564 = 2244^2 + 6742^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50490107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 252351 + ... + 252550.

Almost surely, 2^50490100 is an apocalyptic number.

50490100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50490100 is an abundant number, since it is smaller than the sum of its proper divisors (59073634).

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

50490100 is a wasteful number, since it uses less digits than its factorization.

50490100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504915 (or 504908 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 50490100 is about 7105.6386060649. The cubic root of 50490100 is about 369.6029341577.

Adding to 50490100 its reverse (109405), we get a palindrome (50599505).

The spelling of 50490100 in words is "fifty million, four hundred ninety thousand, one hundred".