53403440001 has 16 divisors (see below), whose sum is σ = 71764180800. Its totient is φ = 35323041600.

The previous prime is 53403439987. The next prime is 53403440021. The reversal of 53403440001 is 10004430435.

It is not a de Polignac number, because 53403440001 - 2¹¹ = 53403437953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53403440021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327051 + ... + 462351.

It is an arithmetic number, because the mean of its divisors is an integer number (4485261300).

Almost surely, 2^53403440001 is an apocalyptic number.

It is an amenable number.

53403440001 is a deficient number, since it is larger than the sum of its proper divisors (18360740799).

53403440001 is a wasteful number, since it uses less digits than its factorization.

53403440001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136336.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 53403440001 its reverse (10004430435), we get a palindrome (63407870436).

The spelling of 53403440001 in words is "fifty-three billion, four hundred three million, four hundred forty thousand, one".