54211145 has 4 divisors (see below), whose sum is σ = 65053380. Its totient is φ = 43368912.

The previous prime is 54211141. The next prime is 54211151. The reversal of 54211145 is 54111245.

54211145 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 can be written as a sum of positive squares in 2 ways, for example, as 11648569 + 42562576 = 3413^2 + 6524^2 .

It is a cyclic number.

It is not a de Polignac number, because 54211145 - 2² = 54211141 is a prime.

It is a super-2 number, since 2×54211145² = 5877696484422050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54211145.

It is not an unprimeable number, because it can be changed into a prime (54211141) 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, 5421110 + ... + 5421119.

It is an arithmetic number, because the mean of its divisors is an integer number (16263345).

Almost surely, 2^54211145 is an apocalyptic number.

It is an amenable number.

54211145 is a deficient number, since it is larger than the sum of its proper divisors (10842235).

54211145 is a wasteful number, since it uses less digits than its factorization.

54211145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10842234.

The product of its digits is 800, while the sum is 23.

The square root of 54211145 is about 7362.8218096053. The cubic root of 54211145 is about 378.4683150657.

The spelling of 54211145 in words is "fifty-four million, two hundred eleven thousand, one hundred forty-five".