54581578 has 8 divisors (see below), whose sum is σ = 83869380. Its totient is φ = 26625120.

The previous prime is 54581557. The next prime is 54581581. The reversal of 54581578 is 87518545.

It can be written as a sum of positive squares in 2 ways, for example, as 35247969 + 19333609 = 5937^2 + 4397^2 .

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

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, 332733 + ... + 332896.

Almost surely, 2^54581578 is an apocalyptic number.

54581578 is a deficient number, since it is larger than the sum of its proper divisors (29287802).

54581578 is a wasteful number, since it uses less digits than its factorization.

54581578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665672.

The product of its digits is 224000, while the sum is 43.

The square root of 54581578 is about 7387.9346234249. The cubic root of 54581578 is about 379.3284028490.

The spelling of 54581578 in words is "fifty-four million, five hundred eighty-one thousand, five hundred seventy-eight".