13755533 has 12 divisors (see below), whose sum is σ = 15944352. Its totient is φ = 11766720.

The previous prime is 13755529. The next prime is 13755583. The reversal of 13755533 is 33555731.

13755533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13755533 - 2² = 13755529 is a prime.

It is a super-2 number, since 2×13755533² = 378429376228178, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13755533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13755523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1016 + ... + 5342.

It is an arithmetic number, because the mean of its divisors is an integer number (1328696).

Almost surely, 2^13755533 is an apocalyptic number.

It is an amenable number.

13755533 is a deficient number, since it is larger than the sum of its proper divisors (2188819).

13755533 is a wasteful number, since it uses less digits than its factorization.

13755533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4372 (or 4355 counting only the distinct ones).

The product of its digits is 23625, while the sum is 32.

The square root of 13755533 is about 3708.8452380761. The cubic root of 13755533 is about 239.6031229996.

The spelling of 13755533 in words is "thirteen million, seven hundred fifty-five thousand, five hundred thirty-three".