54641785 has 24 divisors (see below), whose sum is σ = 74051208. Its totient is φ = 38649600.

The previous prime is 54641779. The next prime is 54641789. The reversal of 54641785 is 58714645.

It can be written as a sum of positive squares in 4 ways, for example, as 5234944 + 49406841 = 2288^2 + 7029^2 .

It is not a de Polignac number, because 54641785 - 2⁵ = 54641753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54641789) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21165 + ... + 23605.

It is an arithmetic number, because the mean of its divisors is an integer number (3085467).

Almost surely, 2^54641785 is an apocalyptic number.

54641785 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54641785 is a deficient number, since it is larger than the sum of its proper divisors (19409423).

54641785 is a wasteful number, since it uses less digits than its factorization.

54641785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505 (or 2494 counting only the distinct ones).

The product of its digits is 134400, while the sum is 40.

The square root of 54641785 is about 7392.0081845193. The cubic root of 54641785 is about 379.4678261599.

The spelling of 54641785 in words is "fifty-four million, six hundred forty-one thousand, seven hundred eighty-five".