53768961 has 8 divisors (see below), whose sum is σ = 79657760. Its totient is φ = 35845956.

The previous prime is 53768959. The next prime is 53768989. The reversal of 53768961 is 16986735.

It is a happy number.

It is not a de Polignac number, because 53768961 - 2¹ = 53768959 is a prime.

It is a super-2 number, since 2×53768961² = 5782202334039042, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53768941) 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 7 ways as a sum of consecutive naturals, for example, 995695 + ... + 995748.

It is an arithmetic number, because the mean of its divisors is an integer number (9957220).

Almost surely, 2^53768961 is an apocalyptic number.

It is an amenable number.

53768961 is a deficient number, since it is larger than the sum of its proper divisors (25888799).

53768961 is a wasteful number, since it uses less digits than its factorization.

53768961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991452 (or 1991446 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 53768961 is about 7332.7321647528. The cubic root of 53768961 is about 377.4364871292.

The spelling of 53768961 in words is "fifty-three million, seven hundred sixty-eight thousand, nine hundred sixty-one".