54775485 has 12 divisors (see below), whose sum is σ = 94944252. Its totient is φ = 29213568.

The previous prime is 54775463. The next prime is 54775517. The reversal of 54775485 is 58457745.

It can be written as a sum of positive squares in 2 ways, for example, as 35748441 + 19027044 = 5979^2 + 4362^2 .

It is not a de Polignac number, because 54775485 - 2⁵ = 54775453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1217233 = 54775485 / (5 + 4 + 7 + 7 + 5 + 4 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 54775485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 608572 + ... + 608661.

It is an arithmetic number, because the mean of its divisors is an integer number (7912021).

Almost surely, 2^54775485 is an apocalyptic number.

It is an amenable number.

54775485 is a deficient number, since it is larger than the sum of its proper divisors (40168767).

54775485 is a wasteful number, since it uses less digits than its factorization.

54775485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217244 (or 1217241 counting only the distinct ones).

The product of its digits is 784000, while the sum is 45.

The square root of 54775485 is about 7401.0462098274. The cubic root of 54775485 is about 379.7770737708. Note that the first 3 decimals are identical.

The spelling of 54775485 in words is "fifty-four million, seven hundred seventy-five thousand, four hundred eighty-five".