55065507 has 8 divisors (see below), whose sum is σ = 83909376. Its totient is φ = 31465992.

The previous prime is 55065497. The next prime is 55065511. The reversal of 55065507 is 70556055.

55065507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55065507 - 2⁶ = 55065443 is a prime.

It is a super-2 number, since 2×55065507² = 6064420122334098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55065547) 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 7 ways as a sum of consecutive naturals, for example, 1311063 + ... + 1311104.

It is an arithmetic number, because the mean of its divisors is an integer number (10488672).

Almost surely, 2^55065507 is an apocalyptic number.

55065507 is a deficient number, since it is larger than the sum of its proper divisors (28843869).

55065507 is a wasteful number, since it uses less digits than its factorization.

55065507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2622177.

The product of its (nonzero) digits is 26250, while the sum is 33.

The square root of 55065507 is about 7420.6136538699. The cubic root of 55065507 is about 380.4461679965.

The spelling of 55065507 in words is "fifty-five million, sixty-five thousand, five hundred seven".