55035533 has 24 divisors (see below), whose sum is σ = 68762880. Its totient is φ = 43092000.

The previous prime is 55035529. The next prime is 55035559. The reversal of 55035533 is 33553055.

It is not a de Polignac number, because 55035533 - 2² = 55035529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55035496 and 55035505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55035523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72908 + ... + 73658.

It is an arithmetic number, because the mean of its divisors is an integer number (2865120).

Almost surely, 2^55035533 is an apocalyptic number.

It is an amenable number.

55035533 is a deficient number, since it is larger than the sum of its proper divisors (13727347).

55035533 is a wasteful number, since it uses less digits than its factorization.

55035533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825 (or 806 counting only the distinct ones).

The product of its (nonzero) digits is 16875, while the sum is 29.

The square root of 55035533 is about 7418.5937346643. The cubic root of 55035533 is about 380.3771256032.

Adding to 55035533 its reverse (33553055), we get a palindrome (88588588).

The spelling of 55035533 in words is "fifty-five million, thirty-five thousand, five hundred thirty-three".