53985049 has 8 divisors (see below), whose sum is σ = 54933120. Its totient is φ = 53041296.

The previous prime is 53985017. The next prime is 53985073. The reversal of 53985049 is 94058935.

53985049 = T₁₈₂ + T₁₈₃ + ... + T₆₉₀.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53985049 - 2⁵ = 53985017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53984996 and 53985014.

It is not an unprimeable number, because it can be changed into a prime (53985079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33312 + ... + 34894.

It is an arithmetic number, because the mean of its divisors is an integer number (6866640).

Almost surely, 2^53985049 is an apocalyptic number.

It is an amenable number.

53985049 is a deficient number, since it is larger than the sum of its proper divisors (948071).

53985049 is a wasteful number, since it uses less digits than its factorization.

53985049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 53985049 is about 7347.4518712272. The cubic root of 53985049 is about 377.9414282678.

The spelling of 53985049 in words is "fifty-three million, nine hundred eighty-five thousand, forty-nine".