55007733 has 32 divisors (see below), whose sum is σ = 87478272. Its totient is φ = 30355200.

The previous prime is 55007723. The next prime is 55007749. The reversal of 55007733 is 33770055.

It is not a de Polignac number, because 55007733 - 2¹⁰ = 55006709 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 55007733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55007723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15810 + ... + 18972.

It is an arithmetic number, because the mean of its divisors is an integer number (2733696).

Almost surely, 2^55007733 is an apocalyptic number.

It is an amenable number.

55007733 is a deficient number, since it is larger than the sum of its proper divisors (32470539).

55007733 is a wasteful number, since it uses less digits than its factorization.

55007733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3225.

The product of its (nonzero) digits is 11025, while the sum is 30.

The square root of 55007733 is about 7416.7198275248. The cubic root of 55007733 is about 380.3130684114.

Adding to 55007733 its reverse (33770055), we get a palindrome (88777788).

The spelling of 55007733 in words is "fifty-five million, seven thousand, seven hundred thirty-three".