53840963 has 4 divisors (see below), whose sum is σ = 58735608. Its totient is φ = 48946320.

The previous prime is 53840947. The next prime is 53840971. The reversal of 53840963 is 36904835.

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

It is a cyclic number.

It is not a de Polignac number, because 53840963 - 2⁴ = 53840947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53840923) 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, 2447306 + ... + 2447327.

It is an arithmetic number, because the mean of its divisors is an integer number (14683902).

Almost surely, 2^53840963 is an apocalyptic number.

53840963 is a deficient number, since it is larger than the sum of its proper divisors (4894645).

53840963 is a wasteful number, since it uses less digits than its factorization.

53840963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4894644.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 53840963 is about 7337.6401519835. The cubic root of 53840963 is about 377.6048870135.

The spelling of 53840963 in words is "fifty-three million, eight hundred forty thousand, nine hundred sixty-three".