54774145 has 4 divisors (see below), whose sum is σ = 65728980. Its totient is φ = 43819312.

The previous prime is 54774121. The next prime is 54774173. The reversal of 54774145 is 54147745.

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 25310961 + 29463184 = 5031^2 + 5428^2 .

It is a cyclic number.

It is not a de Polignac number, because 54774145 - 2⁹ = 54773633 is a prime.

It is an unprimeable number.

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, 5477410 + ... + 5477419.

It is an arithmetic number, because the mean of its divisors is an integer number (16432245).

Almost surely, 2^54774145 is an apocalyptic number.

It is an amenable number.

54774145 is a deficient number, since it is larger than the sum of its proper divisors (10954835).

54774145 is a wasteful number, since it uses less digits than its factorization.

54774145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10954834.

The product of its digits is 78400, while the sum is 37.

The square root of 54774145 is about 7400.9556815319. The cubic root of 54774145 is about 379.7739768536.

The spelling of 54774145 in words is "fifty-four million, seven hundred seventy-four thousand, one hundred forty-five".