53784631 has 4 divisors (see below), whose sum is σ = 53894664. Its totient is φ = 53674600.

The previous prime is 53784623. The next prime is 53784671. The reversal of 53784631 is 13648735.

53784631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13648735 = 5 ⋅2729747.

It is a cyclic number.

It is not a de Polignac number, because 53784631 - 2³ = 53784623 is a prime.

It is a super-2 number, since 2×53784631² = 5785573063612322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53784671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54280 + ... + 55261.

It is an arithmetic number, because the mean of its divisors is an integer number (13473666).

Almost surely, 2^53784631 is an apocalyptic number.

53784631 is a deficient number, since it is larger than the sum of its proper divisors (110033).

53784631 is a wasteful number, since it uses less digits than its factorization.

53784631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110032.

The product of its digits is 60480, while the sum is 37.

The square root of 53784631 is about 7333.8005835992. The cubic root of 53784631 is about 377.4731492678.

The spelling of 53784631 in words is "fifty-three million, seven hundred eighty-four thousand, six hundred thirty-one".