54774585 has 12 divisors (see below), whose sum is σ = 94942692. Its totient is φ = 29213088.

The previous prime is 54774581. The next prime is 54774589. The reversal of 54774585 is 58547745.

It is an interprime number because it is at equal distance from previous prime (54774581) and next prime (54774589).

It can be written as a sum of positive squares in 2 ways, for example, as 41641209 + 13133376 = 6453^2 + 3624^2 .

It is not a de Polignac number, because 54774585 - 2² = 54774581 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: 1217213 = 54774585 / (5 + 4 + 7 + 7 + 4 + 5 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 54774585.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54774581) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 608562 + ... + 608651.

It is an arithmetic number, because the mean of its divisors is an integer number (7911891).

Almost surely, 2^54774585 is an apocalyptic number.

It is an amenable number.

54774585 is a deficient number, since it is larger than the sum of its proper divisors (40168107).

54774585 is a wasteful number, since it uses less digits than its factorization.

54774585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217224 (or 1217221 counting only the distinct ones).

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

The square root of 54774585 is about 7400.9854073630. The cubic root of 54774585 is about 379.7749937574.

The spelling of 54774585 in words is "fifty-four million, seven hundred seventy-four thousand, five hundred eighty-five".