54655521 has 8 divisors (see below), whose sum is σ = 76042560. Its totient is φ = 34852752.

The previous prime is 54655519. The next prime is 54655547. The reversal of 54655521 is 12555645.

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

It is not a de Polignac number, because 54655521 - 2¹ = 54655519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54655591) 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, 395986 + ... + 396123.

It is an arithmetic number, because the mean of its divisors is an integer number (9505320).

Almost surely, 2^54655521 is an apocalyptic number.

It is an amenable number.

54655521 is a deficient number, since it is larger than the sum of its proper divisors (21387039).

54655521 is a wasteful number, since it uses less digits than its factorization.

54655521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792135.

The product of its digits is 30000, while the sum is 33.

The square root of 54655521 is about 7392.9372376614. The cubic root of 54655521 is about 379.4996207127.

The spelling of 54655521 in words is "fifty-four million, six hundred fifty-five thousand, five hundred twenty-one".