54789605 has 16 divisors (see below), whose sum is σ = 71211504. Its totient is φ = 40227840.

The previous prime is 54789601. The next prime is 54789607. The reversal of 54789605 is 50698745.

It is a Cunningham number, because it is equal to 7402²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 29398084 + 25391521 = 5422^2 + 5039^2 .

It is not a de Polignac number, because 54789605 - 2² = 54789601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54789601) 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 15 ways as a sum of consecutive naturals, for example, 9437 + ... + 14093.

It is an arithmetic number, because the mean of its divisors is an integer number (4450719).

Almost surely, 2^54789605 is an apocalyptic number.

It is an amenable number.

54789605 is a deficient number, since it is larger than the sum of its proper divisors (16421899).

54789605 is a wasteful number, since it uses less digits than its factorization.

54789605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4856.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 54789605 is about 7402.0000675493. Note that the first 4 decimals coincide. The cubic root of 54789605 is about 379.8097038885.

The spelling of 54789605 in words is "fifty-four million, seven hundred eighty-nine thousand, six hundred five".