53417783 has 4 divisors (see below), whose sum is σ = 53439120. Its totient is φ = 53396448.

The previous prime is 53417737. The next prime is 53417809. The reversal of 53417783 is 38771435.

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 53417783 - 2⁶ = 53417719 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 (53417713) 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, 6323 + ... + 12116.

It is an arithmetic number, because the mean of its divisors is an integer number (13359780).

Almost surely, 2^53417783 is an apocalyptic number.

53417783 is a deficient number, since it is larger than the sum of its proper divisors (21337).

53417783 is a wasteful number, since it uses less digits than its factorization.

53417783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21336.

The product of its digits is 70560, while the sum is 38.

The square root of 53417783 is about 7308.7470198386. The cubic root of 53417783 is about 376.6129822290.

The spelling of 53417783 in words is "fifty-three million, four hundred seventeen thousand, seven hundred eighty-three".