53785403 has 16 divisors (see below), whose sum is σ = 64542720. Its totient is φ = 43848000.

The previous prime is 53785387. The next prime is 53785421. The reversal of 53785403 is 30458735.

It is not a de Polignac number, because 53785403 - 2⁴ = 53785387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53785423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10703 + ... + 14903.

It is an arithmetic number, because the mean of its divisors is an integer number (4033920).

Almost surely, 2^53785403 is an apocalyptic number.

53785403 is a deficient number, since it is larger than the sum of its proper divisors (10757317).

53785403 is a wasteful number, since it uses less digits than its factorization.

53785403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4298.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 53785403 is about 7333.8532164204. The cubic root of 53785403 is about 377.4749552848.

The spelling of 53785403 in words is "fifty-three million, seven hundred eighty-five thousand, four hundred three".