53456663 has 4 divisors (see below), whose sum is σ = 57568728. Its totient is φ = 49344600.

The previous prime is 53456651. The next prime is 53456677. The reversal of 53456663 is 36665435.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53456663 - 2¹⁶ = 53391127 is a prime.

It is a super-2 number, since 2×53456663² = 5715229638191138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53456563) 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 3 ways as a sum of consecutive naturals, for example, 2056013 + ... + 2056038.

It is an arithmetic number, because the mean of its divisors is an integer number (14392182).

Almost surely, 2^53456663 is an apocalyptic number.

53456663 is a deficient number, since it is larger than the sum of its proper divisors (4112065).

53456663 is a wasteful number, since it uses less digits than its factorization.

53456663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4112064.

The product of its digits is 194400, while the sum is 38.

The square root of 53456663 is about 7311.4063626638. The cubic root of 53456663 is about 376.7043323426.

The spelling of 53456663 in words is "fifty-three million, four hundred fifty-six thousand, six hundred sixty-three".