52400304 has 80 divisors (see below), whose sum is σ = 164096640. Its totient is φ = 15877440.

The previous prime is 52400291. The next prime is 52400311. The reversal of 52400304 is 40300425.

It is a happy number.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 762 + ... + 10265.

It is an arithmetic number, because the mean of its divisors is an integer number (2051208).

Almost surely, 2^52400304 is an apocalyptic number.

52400304 is a gapful number since it is divisible by the number (54) 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 52400304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82048320).

52400304 is an abundant number, since it is smaller than the sum of its proper divisors (111696336).

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

52400304 is a wasteful number, since it uses less digits than its factorization.

52400304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11055 (or 11043 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 52400304 is about 7238.8054263117. The cubic root of 52400304 is about 374.2064499266.

Adding to 52400304 its reverse (40300425), we get a palindrome (92700729).

The spelling of 52400304 in words is "fifty-two million, four hundred thousand, three hundred four".