1355216053 has 4 divisors (see below), whose sum is σ = 1355896000. Its totient is φ = 1354536108.

The previous prime is 1355216041. The next prime is 1355216089. The reversal of 1355216053 is 3506125531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1355216053 - 2²¹ = 1353118901 is a prime.

It is a super-2 number, since 2×1355216053² = 3673221100617797618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355216153) 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, 336975 + ... + 340972.

It is an arithmetic number, because the mean of its divisors is an integer number (338974000).

Almost surely, 2^1355216053 is an apocalyptic number.

It is an amenable number.

1355216053 is a deficient number, since it is larger than the sum of its proper divisors (679947).

1355216053 is an equidigital number, since it uses as much as digits as its factorization.

1355216053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679946.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 1355216053 is about 36813.2592009998. The cubic root of 1355216053 is about 1106.6310353583.

The spelling of 1355216053 in words is "one billion, three hundred fifty-five million, two hundred sixteen thousand, fifty-three".