1355665552 has 40 divisors (see below), whose sum is σ = 2738039040. Its totient is φ = 649434240.

The previous prime is 1355665543. The next prime is 1355665567. The reversal of 1355665552 is 2555665531.

It is a junction number, because it is equal to n+sod(n) for n = 1355665499 and 1355665508.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49633 + ... + 71935.

It is an arithmetic number, because the mean of its divisors is an integer number (68450976).

Almost surely, 2^1355665552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1355665552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1369019520).

1355665552 is an abundant number, since it is smaller than the sum of its proper divisors (1382373488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1355665552 is a wasteful number, since it uses less digits than its factorization.

1355665552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22471 (or 22465 counting only the distinct ones).

The product of its digits is 675000, while the sum is 43.

The square root of 1355665552 is about 36819.3638185127. The cubic root of 1355665552 is about 1106.7533712168.

The spelling of 1355665552 in words is "one billion, three hundred fifty-five million, six hundred sixty-five thousand, five hundred fifty-two".