54675521 has 4 divisors (see below), whose sum is σ = 57553200. Its totient is φ = 51797844.

The previous prime is 54675499. The next prime is 54675539. The reversal of 54675521 is 12557645.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54675521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54675541) 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, 1438811 + ... + 1438848.

It is an arithmetic number, because the mean of its divisors is an integer number (14388300).

Almost surely, 2^54675521 is an apocalyptic number.

It is an amenable number.

54675521 is a deficient number, since it is larger than the sum of its proper divisors (2877679).

54675521 is a wasteful number, since it uses less digits than its factorization.

54675521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2877678.

The product of its digits is 42000, while the sum is 35.

The square root of 54675521 is about 7394.2897562917. The cubic root of 54675521 is about 379.5459049469.

It can be divided in two parts, 546 and 75521, that added together give a palindrome (76067).

The spelling of 54675521 in words is "fifty-four million, six hundred seventy-five thousand, five hundred twenty-one".