52409300 has 36 divisors (see below), whose sum is σ = 120421980. Its totient is φ = 19729920.

The previous prime is 52409297. The next prime is 52409327. The reversal of 52409300 is 390425.

52409300 = 135² + 136² + ... + 542².

It can be written as a sum of positive squares in 6 ways, for example, as 2650384 + 49758916 = 1628^2 + 7054^2 .

It is a super-3 number, since 3×52409300³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13715 + ... + 17114.

It is an arithmetic number, because the mean of its divisors is an integer number (3345055).

Almost surely, 2^52409300 is an apocalyptic number.

52409300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52409300 is an abundant number, since it is smaller than the sum of its proper divisors (68012680).

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

52409300 is a wasteful number, since it uses less digits than its factorization.

52409300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30860 (or 30853 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 52409300 is about 7239.4267728875. The cubic root of 52409300 is about 374.2278630886.

Adding to 52409300 its reverse (390425), we get a palindrome (52799725).

The spelling of 52409300 in words is "fifty-two million, four hundred nine thousand, three hundred".