53355620 has 24 divisors (see below), whose sum is σ = 112358400. Its totient is φ = 21282912.

The previous prime is 53355583. The next prime is 53355623. The reversal of 53355620 is 2655335.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (53355623) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4061 + ... + 11099.

It is an arithmetic number, because the mean of its divisors is an integer number (4681600).

Almost surely, 2^53355620 is an apocalyptic number.

It is an amenable number.

53355620 is an abundant number, since it is smaller than the sum of its proper divisors (59002780).

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

53355620 is a wasteful number, since it uses less digits than its factorization.

53355620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7427 (or 7425 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 53355620 is about 7304.4931377885. The cubic root of 53355620 is about 376.4668356416.

The spelling of 53355620 in words is "fifty-three million, three hundred fifty-five thousand, six hundred twenty".