54106145 has 4 divisors (see below), whose sum is σ = 64927380. Its totient is φ = 43284912.

The previous prime is 54106139. The next prime is 54106147. The reversal of 54106145 is 54160145.

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 15864289 + 38241856 = 3983^2 + 6184^2 .

It is a cyclic number.

It is not a de Polignac number, because 54106145 - 2⁶ = 54106081 is a prime.

It is a super-2 number, since 2×54106145² = 5854949853522050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54106147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5410610 + ... + 5410619.

It is an arithmetic number, because the mean of its divisors is an integer number (16231845).

Almost surely, 2^54106145 is an apocalyptic number.

It is an amenable number.

54106145 is a deficient number, since it is larger than the sum of its proper divisors (10821235).

54106145 is a wasteful number, since it uses less digits than its factorization.

54106145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10821234.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 54106145 is about 7355.6879351968. The cubic root of 54106145 is about 378.2238090250.

The spelling of 54106145 in words is "fifty-four million, one hundred six thousand, one hundred forty-five".