53219420 has 24 divisors (see below), whose sum is σ = 113871744. Its totient is φ = 20885696.

The previous prime is 53219417. The next prime is 53219429. The reversal of 53219420 is 2491235.

It is a self number, because there is not a number n which added to its sum of digits gives 53219420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53219429) 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, 24044 + ... + 26163.

It is an arithmetic number, because the mean of its divisors is an integer number (4744656).

Almost surely, 2^53219420 is an apocalyptic number.

It is an amenable number.

53219420 is an abundant number, since it is smaller than the sum of its proper divisors (60652324).

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

53219420 is a wasteful number, since it uses less digits than its factorization.

53219420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50269 (or 50267 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 53219420 is about 7295.1641516829. The cubic root of 53219420 is about 376.1462291499.

It can be divided in two parts, 5321 and 9420, that added together give a palindrome (14741).

The spelling of 53219420 in words is "fifty-three million, two hundred nineteen thousand, four hundred twenty".