54145545 has 8 divisors (see below), whose sum is σ = 86632896. Its totient is φ = 28877616.

The previous prime is 54145537. The next prime is 54145577. The reversal of 54145545 is 54554145.

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

It is not a de Polignac number, because 54145545 - 2³ = 54145537 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 7 ways as a sum of consecutive naturals, for example, 1804837 + ... + 1804866.

It is an arithmetic number, because the mean of its divisors is an integer number (10829112).

Almost surely, 2^54145545 is an apocalyptic number.

It is an amenable number.

54145545 is a deficient number, since it is larger than the sum of its proper divisors (32487351).

54145545 is a wasteful number, since it uses less digits than its factorization.

54145545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3609711.

The product of its digits is 40000, while the sum is 33.

The square root of 54145545 is about 7358.3656473432. The cubic root of 54145545 is about 378.3155940544.

The spelling of 54145545 in words is "fifty-four million, one hundred forty-five thousand, five hundred forty-five".