53510020 has 24 divisors (see below), whose sum is σ = 113370264. Its totient is φ = 21213696.

The previous prime is 53510003. The next prime is 53510063. The reversal of 53510020 is 2001535.

53510020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 161604 + 53348416 = 402^2 + 7304^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53509976 and 53510003.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9579 + ... + 14098.

It is an arithmetic number, because the mean of its divisors is an integer number (4723761).

Almost surely, 2^53510020 is an apocalyptic number.

It is an amenable number.

53510020 is an abundant number, since it is smaller than the sum of its proper divisors (59860244).

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

53510020 is a wasteful number, since it uses less digits than its factorization.

53510020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23799 (or 23797 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 53510020 is about 7315.0543401946. The cubic root of 53510020 is about 376.8296246709.

Adding to 53510020 its reverse (2001535), we get a palindrome (55511555).

The spelling of 53510020 in words is "fifty-three million, five hundred ten thousand, twenty".