54078529 has 6 divisors (see below), whose sum is σ = 55255874. Its totient is φ = 52925760.

The previous prime is 54078517. The next prime is 54078559. The reversal of 54078529 is 92587045.

It can be written as a sum of positive squares in only one way, i.e., 29724304 + 24354225 = 5452^2 + 4935^2 .

It is not a de Polignac number, because 54078529 - 2¹³ = 54070337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54078491 and 54078500.

It is not an unprimeable number, because it can be changed into a prime (54078509) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 10032 + ... + 14449.

Almost surely, 2^54078529 is an apocalyptic number.

It is an amenable number.

54078529 is a deficient number, since it is larger than the sum of its proper divisors (1177345).

54078529 is an equidigital number, since it uses as much as digits as its factorization.

54078529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24575 (or 24528 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 54078529 is about 7353.8105088451. The cubic root of 54078529 is about 378.1594490755.

The spelling of 54078529 in words is "fifty-four million, seventy-eight thousand, five hundred twenty-nine".