53218801 has 4 divisors (see below), whose sum is σ = 53359600. Its totient is φ = 53078004.

The previous prime is 53218793. The next prime is 53218807. The reversal of 53218801 is 10881235.

53218801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53218801 - 2³ = 53218793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53218801.

It is not an unprimeable number, because it can be changed into a prime (53218807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69831 + ... + 70588.

It is an arithmetic number, because the mean of its divisors is an integer number (13339900).

Almost surely, 2^53218801 is an apocalyptic number.

It is an amenable number.

53218801 is a deficient number, since it is larger than the sum of its proper divisors (140799).

53218801 is a wasteful number, since it uses less digits than its factorization.

53218801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140798.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 53218801 is about 7295.1217261948. The cubic root of 53218801 is about 376.1447708137.

The spelling of 53218801 in words is "fifty-three million, two hundred eighteen thousand, eight hundred one".