53653671 has 16 divisors (see below), whose sum is σ = 80471520. Its totient is φ = 35767656.

The previous prime is 53653669. The next prime is 53653673. The reversal of 53653671 is 17635635.

It is a happy number.

53653671 is a `hidden beast` number, since 53 + 6 + 536 + 71 = 666.

53653671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53653669) and next prime (53653673).

It is not a de Polignac number, because 53653671 - 2¹ = 53653669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53653673) 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 15 ways as a sum of consecutive naturals, for example, 10080 + ... + 14453.

It is an arithmetic number, because the mean of its divisors is an integer number (5029470).

Almost surely, 2^53653671 is an apocalyptic number.

53653671 is a deficient number, since it is larger than the sum of its proper divisors (26817849).

53653671 is an frugal number, since it uses more digits than its factorization.

53653671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24554 (or 24536 counting only the distinct ones).

The product of its digits is 56700, while the sum is 36.

The square root of 53653671 is about 7324.8666199461. The cubic root of 53653671 is about 377.1665309446.

The spelling of 53653671 in words is "fifty-three million, six hundred fifty-three thousand, six hundred seventy-one".