53942965 has 4 divisors (see below), whose sum is σ = 64731564. Its totient is φ = 43154368.

The previous prime is 53942963. The next prime is 53942983. The reversal of 53942965 is 56924935.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17255716 + 36687249 = 4154^2 + 6057^2 .

It is a cyclic number.

It is not a de Polignac number, because 53942965 - 2¹ = 53942963 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 (53942963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5394292 + ... + 5394301.

It is an arithmetic number, because the mean of its divisors is an integer number (16182891).

Almost surely, 2^53942965 is an apocalyptic number.

It is an amenable number.

53942965 is a deficient number, since it is larger than the sum of its proper divisors (10788599).

53942965 is a wasteful number, since it uses less digits than its factorization.

53942965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10788598.

The product of its digits is 291600, while the sum is 43.

The square root of 53942965 is about 7344.5874628872. The cubic root of 53942965 is about 377.8431947622.

The spelling of 53942965 in words is "fifty-three million, nine hundred forty-two thousand, nine hundred sixty-five".