53783477 has 4 divisors (see below), whose sum is σ = 58672896. Its totient is φ = 48894060.

The previous prime is 53783467. The next prime is 53783489. The reversal of 53783477 is 77438735.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53783477 - 2⁶ = 53783413 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 (53783417) 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, 2444693 + ... + 2444714.

It is an arithmetic number, because the mean of its divisors is an integer number (14668224).

Almost surely, 2^53783477 is an apocalyptic number.

It is an amenable number.

53783477 is a deficient number, since it is larger than the sum of its proper divisors (4889419).

53783477 is a wasteful number, since it uses less digits than its factorization.

53783477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4889418.

The product of its digits is 493920, while the sum is 44.

The square root of 53783477 is about 7333.7219063720. The cubic root of 53783477 is about 377.4704495676.

The spelling of 53783477 in words is "fifty-three million, seven hundred eighty-three thousand, four hundred seventy-seven".