52153420 has 72 divisors (see below), whose sum is σ = 125752032. Its totient is φ = 18120960.

The previous prime is 52153417. The next prime is 52153421. The reversal of 52153420 is 2435125.

52153420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 52153391 and 52153400.

It is not an unprimeable number, because it can be changed into a prime (52153421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55192 + ... + 56128.

It is an arithmetic number, because the mean of its divisors is an integer number (1746556).

Almost surely, 2^52153420 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 52153420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62876016).

52153420 is an abundant number, since it is smaller than the sum of its proper divisors (73598612).

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

52153420 is a wasteful number, since it uses less digits than its factorization.

52153420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991 (or 978 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 52153420 is about 7221.7324791216. The cubic root of 52153420 is about 373.6178333815.

Adding to 52153420 its reverse (2435125), we get a palindrome (54588545).

The spelling of 52153420 in words is "fifty-two million, one hundred fifty-three thousand, four hundred twenty".