54969785 has 12 divisors (see below), whose sum is σ = 71429292. Its totient is φ = 40592448.

The previous prime is 54969763. The next prime is 54969787. The reversal of 54969785 is 58796945.

It can be written as a sum of positive squares in 6 ways, for example, as 25928464 + 29041321 = 5092^2 + 5389^2 .

It is not a de Polignac number, because 54969785 - 2¹⁰ = 54968761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54969787) 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, 31682 + ... + 33371.

It is an arithmetic number, because the mean of its divisors is an integer number (5952441).

Almost surely, 2^54969785 is an apocalyptic number.

It is an amenable number.

54969785 is a deficient number, since it is larger than the sum of its proper divisors (16459507).

54969785 is a wasteful number, since it uses less digits than its factorization.

54969785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65084 (or 65071 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 53.

The square root of 54969785 is about 7414.1611123579. The cubic root of 54969785 is about 380.2255931932.

The spelling of 54969785 in words is "fifty-four million, nine hundred sixty-nine thousand, seven hundred eighty-five".