53477444 has 12 divisors (see below), whose sum is σ = 99090684. Its totient is φ = 25165824.

The previous prime is 53477357. The next prime is 53477453. The reversal of 53477444 is 44477435.

It can be written as a sum of positive squares in 2 ways, for example, as 40960000 + 12517444 = 6400^2 + 3538^2 .

It is a zygodrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 53477398 and 53477407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393149 + ... + 393284.

It is an arithmetic number, because the mean of its divisors is an integer number (8257557).

Almost surely, 2^53477444 is an apocalyptic number.

It is an amenable number.

53477444 is a deficient number, since it is larger than the sum of its proper divisors (45613240).

53477444 is a wasteful number, since it uses less digits than its factorization.

53477444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786454 (or 786452 counting only the distinct ones).

The product of its digits is 188160, while the sum is 38.

The square root of 53477444 is about 7312.8273601939. The cubic root of 53477444 is about 376.7531399692.

Subtracting from 53477444 its reverse (44477435), we obtain a palindrome (9000009).

The spelling of 53477444 in words is "fifty-three million, four hundred seventy-seven thousand, four hundred forty-four".