52144545555 has 16 divisors (see below), whose sum is σ = 92701414560. Its totient is φ = 27810424224.

The previous prime is 52144545547. The next prime is 52144545617. The reversal of 52144545555 is 55554544125.

It is a happy number.

52144545555 is a `hidden beast` number, since 5 + 2 + 1 + 44 + 54 + 5 + 555 = 666.

It is not a de Polignac number, because 52144545555 - 2³ = 52144545547 is a prime.

It is a super-2 number, since 2×52144545555² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 52144545555.

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, 193127812 + ... + 193128081.

It is an arithmetic number, because the mean of its divisors is an integer number (5793838410).

Almost surely, 2^52144545555 is an apocalyptic number.

52144545555 is a deficient number, since it is larger than the sum of its proper divisors (40556869005).

52144545555 is a wasteful number, since it uses less digits than its factorization.

52144545555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386255907 (or 386255901 counting only the distinct ones).

The product of its digits is 2000000, while the sum is 45.

The spelling of 52144545555 in words is "fifty-two billion, one hundred forty-four million, five hundred forty-five thousand, five hundred fifty-five".