53534420 has 12 divisors (see below), whose sum is σ = 112422324. Its totient is φ = 21413760.

The previous prime is 53534413. The next prime is 53534423. The reversal of 53534420 is 2443535.

It can be written as a sum of positive squares in 2 ways, for example, as 42432196 + 11102224 = 6514^2 + 3332^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53534420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53534423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1338341 + ... + 1338380.

It is an arithmetic number, because the mean of its divisors is an integer number (9368527).

Almost surely, 2^53534420 is an apocalyptic number.

It is an amenable number.

53534420 is an abundant number, since it is smaller than the sum of its proper divisors (58887904).

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

53534420 is a wasteful number, since it uses less digits than its factorization.

53534420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676730 (or 2676728 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 53534420 is about 7316.7219436029. The cubic root of 53534420 is about 376.8868927342.

Adding to 53534420 its reverse (2443535), we get a palindrome (55977955).

The spelling of 53534420 in words is "fifty-three million, five hundred thirty-four thousand, four hundred twenty".