1353555053 has 4 divisors (see below), whose sum is σ = 1390137660. Its totient is φ = 1316972448.

The previous prime is 1353555043. The next prime is 1353555059. The reversal of 1353555053 is 3505553531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 758341444 + 595213609 = 27538^2 + 24397^2 .

It is a cyclic number.

It is not a de Polignac number, because 1353555053 - 2¹⁰ = 1353554029 is a prime.

It is a super-3 number, since 3×1353555053³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353555059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18291248 + ... + 18291321.

It is an arithmetic number, because the mean of its divisors is an integer number (347534415).

Almost surely, 2^1353555053 is an apocalyptic number.

It is an amenable number.

1353555053 is a deficient number, since it is larger than the sum of its proper divisors (36582607).

1353555053 is an equidigital number, since it uses as much as digits as its factorization.

1353555053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36582606.

The product of its (nonzero) digits is 84375, while the sum is 35.

The square root of 1353555053 is about 36790.6924778537. The cubic root of 1353555053 is about 1106.1787420112.

The spelling of 1353555053 in words is "one billion, three hundred fifty-three million, five hundred fifty-five thousand, fifty-three".