55275745 has 16 divisors (see below), whose sum is σ = 76279680. Its totient is φ = 37666944.

The previous prime is 55275719. The next prime is 55275757. The reversal of 55275745 is 54757255.

55275745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55275745 - 2¹⁵ = 55242977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55275698 and 55275707.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 861 + ... + 10549.

It is an arithmetic number, because the mean of its divisors is an integer number (4767480).

Almost surely, 2^55275745 is an apocalyptic number.

It is an amenable number.

55275745 is a deficient number, since it is larger than the sum of its proper divisors (21003935).

55275745 is a wasteful number, since it uses less digits than its factorization.

55275745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9864.

The product of its digits is 245000, while the sum is 40.

The square root of 55275745 is about 7434.7659680719. The cubic root of 55275745 is about 380.9297294183.

The spelling of 55275745 in words is "fifty-five million, two hundred seventy-five thousand, seven hundred forty-five".