55166733 has 6 divisors (see below), whose sum is σ = 79685294. Its totient is φ = 36777816.

The previous prime is 55166731. The next prime is 55166791. The reversal of 55166733 is 33766155.

It is a happy number.

55166733 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 46416969 + 8749764 = 6813^2 + 2958^2 .

It is not a de Polignac number, because 55166733 - 2¹ = 55166731 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55166731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3064810 + ... + 3064827.

Almost surely, 2^55166733 is an apocalyptic number.

It is an amenable number.

55166733 is a deficient number, since it is larger than the sum of its proper divisors (24518561).

55166733 is a wasteful number, since it uses less digits than its factorization.

55166733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6129643 (or 6129640 counting only the distinct ones).

The product of its digits is 56700, while the sum is 36.

The square root of 55166733 is about 7427.4311171495. The cubic root of 55166733 is about 380.6791479017.

The spelling of 55166733 in words is "fifty-five million, one hundred sixty-six thousand, seven hundred thirty-three".