53797783 has 4 divisors (see below), whose sum is σ = 57936088. Its totient is φ = 49659480.

The previous prime is 53797771. The next prime is 53797787. The reversal of 53797783 is 38779735.

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

It is a de Polignac number, because none of the positive numbers 2^k-53797783 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 (53797787) 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, 2069133 + ... + 2069158.

It is an arithmetic number, because the mean of its divisors is an integer number (14484022).

Almost surely, 2^53797783 is an apocalyptic number.

53797783 is a deficient number, since it is larger than the sum of its proper divisors (4138305).

53797783 is a wasteful number, since it uses less digits than its factorization.

53797783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4138304.

The product of its digits is 1111320, while the sum is 49.

The square root of 53797783 is about 7334.6971989306. The cubic root of 53797783 is about 377.5039147000.

The spelling of 53797783 in words is "fifty-three million, seven hundred ninety-seven thousand, seven hundred eighty-three".