53168401 has 16 divisors (see below), whose sum is σ = 66140928. Its totient is φ = 41990400.

The previous prime is 53168383. The next prime is 53168411. The reversal of 53168401 is 10486135.

It is a 2-Lehmer number, since φ(53168401) divides (53168401-1)².

It is a cyclic number.

It is not a de Polignac number, because 53168401 - 2⁵ = 53168369 is a prime.

It is a deceptive number, since it divides R_53168400.

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 53168401.

It is not an unprimeable number, because it can be changed into a prime (53168411) 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 15 ways as a sum of consecutive naturals, for example, 8505 + ... + 13366.

It is an arithmetic number, because the mean of its divisors is an integer number (4133808).

Almost surely, 2^53168401 is an apocalyptic number.

It is an amenable number.

53168401 is a deficient number, since it is larger than the sum of its proper divisors (12972527).

53168401 is a wasteful number, since it uses less digits than its factorization.

53168401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21912.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 53168401 is about 7291.6665447619. Note that the first 3 decimals coincide. The cubic root of 53168401 is about 376.0259927142.

The spelling of 53168401 in words is "fifty-three million, one hundred sixty-eight thousand, four hundred one".