52490100 has 144 divisors (see below), whose sum is σ = 167892032. Its totient is φ = 12579840.

The previous prime is 52490077. The next prime is 52490111. The reversal of 52490100 is 109425.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 167544 + ... + 167856.

Almost surely, 2^52490100 is an apocalyptic number.

52490100 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 52490100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83946016).

52490100 is an abundant number, since it is smaller than the sum of its proper divisors (115401932).

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

52490100 is a wasteful number, since it uses less digits than its factorization.

52490100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 52490100 is about 7245.0051759816. The cubic root of 52490100 is about 374.4200814253.

Adding to 52490100 its reverse (109425), we get a palindrome (52599525).

The spelling of 52490100 in words is "fifty-two million, four hundred ninety thousand, one hundred".