1053530015553 has 24 divisors (see below), whose sum is σ = 1617718514880. Its totient is φ = 658799373600.

The previous prime is 1053530015459. The next prime is 1053530015561. The reversal of 1053530015553 is 3555100353501.

1053530015553 is a `hidden beast` number, since 1 + 0 + 53 + 53 + 0 + 0 + 1 + 5 + 553 = 666.

It is not a de Polignac number, because 1053530015553 - 2²⁰ = 1053528966977 is a prime.

It is a super-2 number, since 2×1053530015553² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1053530011553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30482701 + ... + 30517242.

It is an arithmetic number, because the mean of its divisors is an integer number (67404938120).

Almost surely, 2^{1053530015553} is an apocalyptic number.

It is an amenable number.

1053530015553 is a deficient number, since it is larger than the sum of its proper divisors (564188499327).

1053530015553 is a wasteful number, since it uses less digits than its factorization.

1053530015553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61000069 (or 61000066 counting only the distinct ones).

The product of its (nonzero) digits is 84375, while the sum is 36.

The spelling of 1053530015553 in words is "one trillion, fifty-three billion, five hundred thirty million, fifteen thousand, five hundred fifty-three".