53126420 has 12 divisors (see below), whose sum is σ = 111565524. Its totient is φ = 21250560.

The previous prime is 53126401. The next prime is 53126449. The reversal of 53126420 is 2462135.

It can be written as a sum of positive squares in 2 ways, for example, as 25542916 + 27583504 = 5054^2 + 5252^2 .

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 3 ways as a sum of consecutive naturals, for example, 1328141 + ... + 1328180.

It is an arithmetic number, because the mean of its divisors is an integer number (9297127).

Almost surely, 2^53126420 is an apocalyptic number.

It is an amenable number.

53126420 is an abundant number, since it is smaller than the sum of its proper divisors (58439104).

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

53126420 is a wasteful number, since it uses less digits than its factorization.

53126420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656330 (or 2656328 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 53126420 is about 7288.7872791021. The cubic root of 53126420 is about 375.9269984274.

Adding to 53126420 its reverse (2462135), we get a palindrome (55588555).

The spelling of 53126420 in words is "fifty-three million, one hundred twenty-six thousand, four hundred twenty".