53453505555 has 16 divisors (see below), whose sum is σ = 95028454560. Its totient is φ = 28508536224.

The previous prime is 53453505533. The next prime is 53453505613. The reversal of 53453505555 is 55550535435.

53453505555 is a `hidden beast` number, since 5 + 3 + 45 + 3 + 50 + 5 + 555 = 666.

It is not a de Polignac number, because 53453505555 - 2⁹ = 53453505043 is a prime.

It is a super-2 number, since 2×53453505555² (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 53453505555.

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, 197975812 + ... + 197976081.

It is an arithmetic number, because the mean of its divisors is an integer number (5939278410).

Almost surely, 2^53453505555 is an apocalyptic number.

53453505555 is a deficient number, since it is larger than the sum of its proper divisors (41574949005).

53453505555 is a wasteful number, since it uses less digits than its factorization.

53453505555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395951907 (or 395951901 counting only the distinct ones).

The product of its (nonzero) digits is 2812500, while the sum is 45.

The spelling of 53453505555 in words is "fifty-three billion, four hundred fifty-three million, five hundred five thousand, five hundred fifty-five".