54163651 has 4 divisors (see below), whose sum is σ = 54324712. Its totient is φ = 54002592.

The previous prime is 54163639. The next prime is 54163657. The reversal of 54163651 is 15636145.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54163651 - 2¹¹ = 54161603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54163657) 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, 80025 + ... + 80698.

It is an arithmetic number, because the mean of its divisors is an integer number (13581178).

Almost surely, 2^54163651 is an apocalyptic number.

54163651 is a deficient number, since it is larger than the sum of its proper divisors (161061).

54163651 is a wasteful number, since it uses less digits than its factorization.

54163651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161060.

The product of its digits is 10800, while the sum is 31.

The square root of 54163651 is about 7359.5958448817. The cubic root of 54163651 is about 378.3577583037.

Adding to 54163651 its reverse (15636145), we get a palindrome (69799796).

The spelling of 54163651 in words is "fifty-four million, one hundred sixty-three thousand, six hundred fifty-one".