53145515441 has 8 divisors (see below), whose sum is σ = 53599247520. Its totient is φ = 52693340832.

The previous prime is 53145515419. The next prime is 53145515513. The reversal of 53145515441 is 14451554135.

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 53145515441 - 2¹⁰ = 53145514417 is a prime.

It is a super-3 number, since 3×53145515441³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53145515395 and 53145515404.

It is not an unprimeable number, because it can be changed into a prime (53145515411) 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, 320780 + ... + 457373.

It is an arithmetic number, because the mean of its divisors is an integer number (6699905940).

Almost surely, 2^53145515441 is an apocalyptic number.

It is an amenable number.

53145515441 is a deficient number, since it is larger than the sum of its proper divisors (453732079).

53145515441 is a wasteful number, since it uses less digits than its factorization.

53145515441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778735.

The product of its digits is 120000, while the sum is 38.

The spelling of 53145515441 in words is "fifty-three billion, one hundred forty-five million, five hundred fifteen thousand, four hundred forty-one".