52395420 has 144 divisors (see below), whose sum is σ = 184472064. Its totient is φ = 10876800.

The previous prime is 52395419. The next prime is 52395433. The reversal of 52395420 is 2459325.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50305 + ... + 51335.

It is an arithmetic number, because the mean of its divisors is an integer number (1281056).

Almost surely, 2^52395420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52395420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92236032).

52395420 is an abundant number, since it is smaller than the sum of its proper divisors (132076644).

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

52395420 is a wasteful number, since it uses less digits than its factorization.

52395420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072 (or 1059 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 52395420 is about 7238.4680699717. The cubic root of 52395420 is about 374.1948235240.

The spelling of 52395420 in words is "fifty-two million, three hundred ninety-five thousand, four hundred twenty".