53486431 has 8 divisors (see below), whose sum is σ = 56254464. Its totient is φ = 50755320.

The previous prime is 53486393. The next prime is 53486467. The reversal of 53486431 is 13468435.

It is a happy number.

53486431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53486431 - 2¹¹ = 53484383 is a prime.

It is a super-2 number, since 2×53486431² = 5721596602235522, 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 (53486231) 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 7 ways as a sum of consecutive naturals, for example, 6235 + ... + 12076.

It is an arithmetic number, because the mean of its divisors is an integer number (7031808).

Almost surely, 2^53486431 is an apocalyptic number.

53486431 is a deficient number, since it is larger than the sum of its proper divisors (2768033).

53486431 is a wasteful number, since it uses less digits than its factorization.

53486431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18461.

The product of its digits is 34560, while the sum is 34.

The square root of 53486431 is about 7313.4418025988. The cubic root of 53486431 is about 376.7742435135.

The spelling of 53486431 in words is "fifty-three million, four hundred eighty-six thousand, four hundred thirty-one".