53544353261 has 8 divisors (see below), whose sum is σ = 63303669120. Its totient is φ = 44312568048.

The previous prime is 53544353227. The next prime is 53544353279. The reversal of 53544353261 is 16235344535.

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

It is not a de Polignac number, because 53544353261 - 2³⁴ = 36364484077 is a prime.

It is a super-2 number, since 2×53544353261² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53544353281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131882441 + ... + 131882846.

It is an arithmetic number, because the mean of its divisors is an integer number (7912958640).

Almost surely, 2^53544353261 is an apocalyptic number.

It is an amenable number.

53544353261 is a deficient number, since it is larger than the sum of its proper divisors (9759315859).

53544353261 is a wasteful number, since it uses less digits than its factorization.

53544353261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263765323.

The product of its digits is 648000, while the sum is 41.

Adding to 53544353261 its reverse (16235344535), we get a palindrome (69779697796).

The spelling of 53544353261 in words is "fifty-three billion, five hundred forty-four million, three hundred fifty-three thousand, two hundred sixty-one".