53331420 has 24 divisors (see below), whose sum is σ = 149328144. Its totient is φ = 14221696.

The previous prime is 53331419. The next prime is 53331427. The reversal of 53331420 is 2413335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53331427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444369 + ... + 444488.

It is an arithmetic number, because the mean of its divisors is an integer number (6222006).

Almost surely, 2^53331420 is an apocalyptic number.

It is an amenable number.

53331420 is an abundant number, since it is smaller than the sum of its proper divisors (95996724).

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

53331420 is a wasteful number, since it uses less digits than its factorization.

53331420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888869 (or 888867 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 53331420 is about 7302.8364352490. The cubic root of 53331420 is about 376.4099102096.

Adding to 53331420 its reverse (2413335), we get a palindrome (55744755).

The spelling of 53331420 in words is "fifty-three million, three hundred thirty-one thousand, four hundred twenty".