53755965 has 24 divisors (see below), whose sum is σ = 93450240. Its totient is φ = 28585824.

The previous prime is 53755963. The next prime is 53755967. The reversal of 53755965 is 56955735.

53755965 is a `hidden beast` number, since 5 + 37 + 559 + 65 = 666.

It is an interprime number because it is at equal distance from previous prime (53755963) and next prime (53755967).

It is not a de Polignac number, because 53755965 - 2¹ = 53755963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 53755965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53755963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15676 + ... + 18794.

It is an arithmetic number, because the mean of its divisors is an integer number (3893760).

Almost surely, 2^53755965 is an apocalyptic number.

It is an amenable number.

53755965 is a deficient number, since it is larger than the sum of its proper divisors (39694275).

53755965 is a wasteful number, since it uses less digits than its factorization.

53755965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3513 (or 3510 counting only the distinct ones).

The product of its digits is 708750, while the sum is 45.

The square root of 53755965 is about 7331.8459476451. The cubic root of 53755965 is about 377.4060757807.

The spelling of 53755965 in words is "fifty-three million, seven hundred fifty-five thousand, nine hundred sixty-five".