54355145 has 8 divisors (see below), whose sum is σ = 70243656. Its totient is φ = 40139136.

The previous prime is 54355099. The next prime is 54355151. The reversal of 54355145 is 54155345.

It can be written as a sum of positive squares in 4 ways, for example, as 10106041 + 44249104 = 3179^2 + 6652^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 54355145 - 2¹² = 54351049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418052 + ... + 418181.

It is an arithmetic number, because the mean of its divisors is an integer number (8780457).

Almost surely, 2^54355145 is an apocalyptic number.

It is an amenable number.

54355145 is a deficient number, since it is larger than the sum of its proper divisors (15888511).

54355145 is a wasteful number, since it uses less digits than its factorization.

54355145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836251.

The product of its digits is 30000, while the sum is 32.

The square root of 54355145 is about 7372.5941838677. The cubic root of 54355145 is about 378.8031247756.

The spelling of 54355145 in words is "fifty-four million, three hundred fifty-five thousand, one hundred forty-five".