54529778 has 8 divisors (see below), whose sum is σ = 86606172. Its totient is φ = 25661056.

The previous prime is 54529751. The next prime is 54529789. The reversal of 54529778 is 87792545.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 52606009 + 1923769 = 7253^2 + 1387^2 .

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, 801875 + ... + 801942.

Almost surely, 2^54529778 is an apocalyptic number.

54529778 is a deficient number, since it is larger than the sum of its proper divisors (32076394).

54529778 is a wasteful number, since it uses less digits than its factorization.

54529778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603836.

The product of its digits is 705600, while the sum is 47.

The square root of 54529778 is about 7384.4280753488. The cubic root of 54529778 is about 379.2083658255.

The spelling of 54529778 in words is "fifty-four million, five hundred twenty-nine thousand, seven hundred seventy-eight".