54646521 has 16 divisors (see below), whose sum is σ = 77250048. Its totient is φ = 34300800.

The previous prime is 54646513. The next prime is 54646523. The reversal of 54646521 is 12564645.

It is not a de Polignac number, because 54646521 - 2³ = 54646513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54646523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4500 + ... + 11381.

It is an arithmetic number, because the mean of its divisors is an integer number (4828128).

Almost surely, 2^54646521 is an apocalyptic number.

It is an amenable number.

54646521 is a deficient number, since it is larger than the sum of its proper divisors (22603527).

54646521 is a wasteful number, since it uses less digits than its factorization.

54646521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15952.

The product of its digits is 28800, while the sum is 33.

The square root of 54646521 is about 7392.3285235439. The cubic root of 54646521 is about 379.4787891235.

The spelling of 54646521 in words is "fifty-four million, six hundred forty-six thousand, five hundred twenty-one".