53562420 has 144 divisors (see below), whose sum is σ = 174021120. Its totient is φ = 13305600.

The previous prime is 53562419. The next prime is 53562493. The reversal of 53562420 is 2426535.

53562420 is a `hidden beast` number, since 5 + 35 + 624 + 2 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 161655 + ... + 161985.

It is an arithmetic number, because the mean of its divisors is an integer number (1208480).

Almost surely, 2^53562420 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 53562420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87010560).

53562420 is an abundant number, since it is smaller than the sum of its proper divisors (120458700).

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

53562420 is a wasteful number, since it uses less digits than its factorization.

53562420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 53562420 is about 7318.6351186543. The cubic root of 53562420 is about 376.9525887464.

Adding to 53562420 its reverse (2426535), we get a palindrome (55988955).

It can be divided in two parts, 5356 and 2420, that added together give a 5-th power (7776 = 6⁵).

The spelling of 53562420 in words is "fifty-three million, five hundred sixty-two thousand, four hundred twenty".