52345400 has 48 divisors (see below), whose sum is σ = 123280800. Its totient is φ = 20666880.

The previous prime is 52345393. The next prime is 52345409. The reversal of 52345400 is 454325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52345409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14144 + ... + 17456.

It is an arithmetic number, because the mean of its divisors is an integer number (2568350).

Almost surely, 2^52345400 is an apocalyptic number.

52345400 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 52345400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61640400).

52345400 is an abundant number, since it is smaller than the sum of its proper divisors (70935400).

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

52345400 is a wasteful number, since it uses less digits than its factorization.

52345400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3408 (or 3399 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 52345400 is about 7235.0120939775. The cubic root of 52345400 is about 374.0757088861.

Adding to 52345400 its reverse (454325), we get a palindrome (52799725).

The spelling of 52345400 in words is "fifty-two million, three hundred forty-five thousand, four hundred".