53761643 has 8 divisors (see below), whose sum is σ = 58153200. Its totient is φ = 49406688.

The previous prime is 53761639. The next prime is 53761681. The reversal of 53761643 is 34616735.

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 53761643 - 2² = 53761639 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (53761613) 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, 6053 + ... + 12006.

It is an arithmetic number, because the mean of its divisors is an integer number (7269150).

Almost surely, 2^53761643 is an apocalyptic number.

53761643 is a deficient number, since it is larger than the sum of its proper divisors (4391557).

53761643 is a wasteful number, since it uses less digits than its factorization.

53761643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18301.

The product of its digits is 45360, while the sum is 35.

The square root of 53761643 is about 7332.2331523213. The cubic root of 53761643 is about 377.4193632131.

The spelling of 53761643 in words is "fifty-three million, seven hundred sixty-one thousand, six hundred forty-three".