55250507 has 4 divisors (see below), whose sum is σ = 59500560. Its totient is φ = 51000456.

The previous prime is 55250497. The next prime is 55250513. The reversal of 55250507 is 70505255.

55250507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 55250507 - 2¹⁶ = 55184971 is a prime.

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 55250507.

It is not an unprimeable number, because it can be changed into a prime (55250557) 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 3 ways as a sum of consecutive naturals, for example, 2125007 + ... + 2125032.

It is an arithmetic number, because the mean of its divisors is an integer number (14875140).

Almost surely, 2^55250507 is an apocalyptic number.

55250507 is a deficient number, since it is larger than the sum of its proper divisors (4250053).

55250507 is a wasteful number, since it uses less digits than its factorization.

55250507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4250052.

The product of its (nonzero) digits is 8750, while the sum is 29.

The square root of 55250507 is about 7433.0684780917. The cubic root of 55250507 is about 380.8717451670.

The spelling of 55250507 in words is "fifty-five million, two hundred fifty thousand, five hundred seven".