54521043 has 4 divisors (see below), whose sum is σ = 72694728. Its totient is φ = 36347360.

The previous prime is 54521041. The next prime is 54521053. The reversal of 54521043 is 34012545.

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 54521043 - 2¹ = 54521041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54521041) 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, 9086838 + ... + 9086843.

It is an arithmetic number, because the mean of its divisors is an integer number (18173682).

Almost surely, 2^54521043 is an apocalyptic number.

54521043 is a deficient number, since it is larger than the sum of its proper divisors (18173685).

54521043 is a wasteful number, since it uses less digits than its factorization.

54521043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18173684.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 54521043 is about 7383.8366043677. The cubic root of 54521043 is about 379.1881165716.

Adding to 54521043 its reverse (34012545), we get a palindrome (88533588).

The spelling of 54521043 in words is "fifty-four million, five hundred twenty-one thousand, forty-three".