55007741 has 4 divisors (see below), whose sum is σ = 55026684. Its totient is φ = 54988800.

The previous prime is 55007723. The next prime is 55007749. The reversal of 55007741 is 14770055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45832900 + 9174841 = 6770^2 + 3029^2 .

It is a cyclic number.

It is not a de Polignac number, because 55007741 - 2¹⁴ = 54991357 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 (55007749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4100 + ... + 11261.

It is an arithmetic number, because the mean of its divisors is an integer number (13756671).

Almost surely, 2^55007741 is an apocalyptic number.

It is an amenable number.

55007741 is a deficient number, since it is larger than the sum of its proper divisors (18943).

55007741 is a wasteful number, since it uses less digits than its factorization.

55007741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18942.

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 55007741 is about 7416.7203668468. The cubic root of 55007741 is about 380.3130868483.

Adding to 55007741 its reverse (14770055), we get a palindrome (69777796).

The spelling of 55007741 in words is "fifty-five million, seven thousand, seven hundred forty-one".