53545044515 has 16 divisors (see below), whose sum is σ = 65337425280. Its totient is φ = 42114433920.

The previous prime is 53545044491. The next prime is 53545044521. The reversal of 53545044515 is 51544054535.

It is not a de Polignac number, because 53545044515 - 2¹⁰ = 53545043491 is a prime.

It is a super-2 number, since 2×53545044515² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 643046 + ... + 721524.

It is an arithmetic number, because the mean of its divisors is an integer number (4083589080).

Almost surely, 2^53545044515 is an apocalyptic number.

53545044515 is a deficient number, since it is larger than the sum of its proper divisors (11792380765).

53545044515 is a wasteful number, since it uses less digits than its factorization.

53545044515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80782.

The product of its (nonzero) digits is 600000, while the sum is 41.

The spelling of 53545044515 in words is "fifty-three billion, five hundred forty-five million, forty-four thousand, five hundred fifteen".