53488726561 has 8 divisors (see below), whose sum is σ = 55826512704. Its totient is φ = 51151956240.

The previous prime is 53488726553. The next prime is 53488726579. The reversal of 53488726561 is 16562788435.

It is a happy number.

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 53488726561 - 2³ = 53488726553 is a prime.

It is a super-2 number, since 2×53488726561² (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 (53488726591) 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, 145351 + ... + 357916.

It is an arithmetic number, because the mean of its divisors is an integer number (6978314088).

Almost surely, 2^53488726561 is an apocalyptic number.

It is an amenable number.

53488726561 is a deficient number, since it is larger than the sum of its proper divisors (2337786143).

53488726561 is a wasteful number, since it uses less digits than its factorization.

53488726561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507911.

The product of its digits is 9676800, while the sum is 55.

The spelling of 53488726561 in words is "fifty-three billion, four hundred eighty-eight million, seven hundred twenty-six thousand, five hundred sixty-one".