53518671 has 8 divisors (see below), whose sum is σ = 79286960. Its totient is φ = 35679096.

The previous prime is 53518651. The next prime is 53518681. The reversal of 53518671 is 17681535.

It is not a de Polignac number, because 53518671 - 2¹⁰ = 53517647 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 (53518651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 991060 + ... + 991113.

It is an arithmetic number, because the mean of its divisors is an integer number (9910870).

Almost surely, 2^53518671 is an apocalyptic number.

53518671 is a deficient number, since it is larger than the sum of its proper divisors (25768289).

53518671 is a wasteful number, since it uses less digits than its factorization.

53518671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982182 (or 1982176 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 53518671 is about 7315.6456311114. The cubic root of 53518671 is about 376.8499310074.

The spelling of 53518671 in words is "fifty-three million, five hundred eighteen thousand, six hundred seventy-one".