54526521 has 8 divisors (see below), whose sum is σ = 83088064. Its totient is φ = 31158000.

The previous prime is 54526517. The next prime is 54526529. The reversal of 54526521 is 12562545.

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

It is not a de Polignac number, because 54526521 - 2² = 54526517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54526529) 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, 1298230 + ... + 1298271.

It is an arithmetic number, because the mean of its divisors is an integer number (10386008).

Almost surely, 2^54526521 is an apocalyptic number.

It is an amenable number.

54526521 is a deficient number, since it is larger than the sum of its proper divisors (28561543).

54526521 is a wasteful number, since it uses less digits than its factorization.

54526521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596511.

The product of its digits is 12000, while the sum is 30.

The square root of 54526521 is about 7384.2075404203. The cubic root of 54526521 is about 379.2008157841.

The spelling of 54526521 in words is "fifty-four million, five hundred twenty-six thousand, five hundred twenty-one".