53561504 has 12 divisors (see below), whose sum is σ = 105449274. Its totient is φ = 26780736.

The previous prime is 53561471. The next prime is 53561507. The reversal of 53561504 is 40516535.

It can be written as a sum of positive squares in only one way, i.e., 45427600 + 8133904 = 6740^2 + 2852^2 .

It is not an unprimeable number, because it can be changed into a prime (53561507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836867 + ... + 836930.

Almost surely, 2^53561504 is an apocalyptic number.

It is an amenable number.

53561504 is a deficient number, since it is larger than the sum of its proper divisors (51887770).

53561504 is a wasteful number, since it uses less digits than its factorization.

53561504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673807 (or 1673799 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 53561504 is about 7318.5725384121. The cubic root of 53561504 is about 376.9504399106.

The spelling of 53561504 in words is "fifty-three million, five hundred sixty-one thousand, five hundred four".