53988554 has 16 divisors (see below), whose sum is σ = 83179656. Its totient is φ = 26265600.

The previous prime is 53988527. The next prime is 53988559. The reversal of 53988554 is 45588935.

It can be written as a sum of positive squares in 4 ways, for example, as 25654225 + 28334329 = 5065^2 + 5323^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 53988499 and 53988508.

It is not an unprimeable number, because it can be changed into a prime (53988559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43754 + ... + 44970.

Almost surely, 2^53988554 is an apocalyptic number.

53988554 is a deficient number, since it is larger than the sum of its proper divisors (29191102).

53988554 is a wasteful number, since it uses less digits than its factorization.

53988554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801.

The product of its digits is 864000, while the sum is 47.

The square root of 53988554 is about 7347.6903854204. The cubic root of 53988554 is about 377.9496074215.

It can be divided in two parts, 5 and 3988554, that multiplied together give a triangular number (19942770 = T₆₃₁₅).

The spelling of 53988554 in words is "fifty-three million, nine hundred eighty-eight thousand, five hundred fifty-four".