53454420 has 36 divisors (see below), whose sum is σ = 162145620. Its totient is φ = 14254464.

The previous prime is 53454397. The next prime is 53454421. The reversal of 53454420 is 2445435.

It can be written as a sum of positive squares in 2 ways, for example, as 27688644 + 25765776 = 5262^2 + 5076^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53454421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148305 + ... + 148664.

It is an arithmetic number, because the mean of its divisors is an integer number (4504045).

Almost surely, 2^53454420 is an apocalyptic number.

It is an amenable number.

53454420 is an abundant number, since it is smaller than the sum of its proper divisors (108691200).

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

53454420 is a wasteful number, since it uses less digits than its factorization.

53454420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296984 (or 296979 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 53454420 is about 7311.2529705927. The cubic root of 53454420 is about 376.6990635286.

Adding to 53454420 its reverse (2445435), we get a palindrome (55899855).

The spelling of 53454420 in words is "fifty-three million, four hundred fifty-four thousand, four hundred twenty".