1553161533053 has 8 divisors (see below), whose sum is σ = 1672929382488. Its totient is φ = 1433435667264.

The previous prime is 1553161533043. The next prime is 1553161533103. The reversal of 1553161533053 is 3503351613551.

It can be written as a sum of positive squares in 4 ways, for example, as 95146337764 + 1458015195289 = 308458^2 + 1207483^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1553161533053 - 2¹⁸ = 1553161270909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1553161533053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1553161533013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10419050 + ... + 10567067.

It is an arithmetic number, because the mean of its divisors is an integer number (209116172811).

Almost surely, 2^{1553161533053} is an apocalyptic number.

1553161533053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1553161533053 is a deficient number, since it is larger than the sum of its proper divisors (119767849435).

1553161533053 is a wasteful number, since it uses less digits than its factorization.

1553161533053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20991823.

The product of its (nonzero) digits is 303750, while the sum is 41.

The spelling of 1553161533053 in words is "one trillion, five hundred fifty-three billion, one hundred sixty-one million, five hundred thirty-three thousand, fifty-three".