53511436801 has 8 divisors (see below), whose sum is σ = 53564794920. Its totient is φ = 53458106112.

The previous prime is 53511436799. The next prime is 53511436859. The reversal of 53511436801 is 10863411535.

It can be written as a sum of positive squares in 4 ways, for example, as 27714258576 + 25797178225 = 166476^2 + 160615^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53511436801 - 2¹ = 53511436799 is a prime.

It is a super-2 number, since 2×53511436801² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53511436861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6973795 + ... + 6981463.

It is an arithmetic number, because the mean of its divisors is an integer number (6695599365).

Almost surely, 2^53511436801 is an apocalyptic number.

It is an amenable number.

53511436801 is a deficient number, since it is larger than the sum of its proper divisors (53358119).

53511436801 is a wasteful number, since it uses less digits than its factorization.

53511436801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13715.

The product of its (nonzero) digits is 43200, while the sum is 37.

It can be divided in two parts, 535114 and 36801, that added together give a triangular number (571915 = T₁₀₆₉).

The spelling of 53511436801 in words is "fifty-three billion, five hundred eleven million, four hundred thirty-six thousand, eight hundred one".