53512445555 has 16 divisors (see below), whose sum is σ = 68039688960. Its totient is φ = 40263631872.

The previous prime is 53512445549. The next prime is 53512445561. The reversal of 53512445555 is 55554421535.

It is an interprime number because it is at equal distance from previous prime (53512445549) and next prime (53512445561).

It is a cyclic number.

It is not a de Polignac number, because 53512445555 - 2²⁰ = 53511396979 is a prime.

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, 96434 + ... + 341063.

It is an arithmetic number, because the mean of its divisors is an integer number (4252480560).

Almost surely, 2^53512445555 is an apocalyptic number.

53512445555 is a deficient number, since it is larger than the sum of its proper divisors (14527243405).

53512445555 is a wasteful number, since it uses less digits than its factorization.

53512445555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438958.

The product of its digits is 1500000, while the sum is 44.

The spelling of 53512445555 in words is "fifty-three billion, five hundred twelve million, four hundred forty-five thousand, five hundred fifty-five".