53963717 has 8 divisors (see below), whose sum is σ = 55032024. Its totient is φ = 52904448.

The previous prime is 53963713. The next prime is 53963731. The reversal of 53963717 is 71736935.

It is a Cunningham number, because it is equal to 7346²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 14638276 + 39325441 = 3826^2 + 6271^2 .

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 53963717 - 2² = 53963713 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53963713) 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, 10493 + ... + 14765.

It is an arithmetic number, because the mean of its divisors is an integer number (6879003).

Almost surely, 2^53963717 is an apocalyptic number.

It is an amenable number.

53963717 is a deficient number, since it is larger than the sum of its proper divisors (1068307).

53963717 is a wasteful number, since it uses less digits than its factorization.

53963717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4519.

The product of its digits is 119070, while the sum is 41.

The square root of 53963717 is about 7346.0000680643. Note that the first 4 decimals coincide. The cubic root of 53963717 is about 377.8916409727.

The spelling of 53963717 in words is "fifty-three million, nine hundred sixty-three thousand, seven hundred seventeen".