54521101 has 4 divisors (see below), whose sum is σ = 55030752. Its totient is φ = 54011452.

The previous prime is 54521083. The next prime is 54521107. The reversal of 54521101 is 10112545.

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 not a de Polignac number, because 54521101 - 2¹⁷ = 54390029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54521107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254665 + ... + 254878.

It is an arithmetic number, because the mean of its divisors is an integer number (13757688).

Almost surely, 2^54521101 is an apocalyptic number.

It is an amenable number.

54521101 is a deficient number, since it is larger than the sum of its proper divisors (509651).

54521101 is a wasteful number, since it uses less digits than its factorization.

54521101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509650.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 54521101 is about 7383.8405318642. The cubic root of 54521101 is about 379.1882510328.

Adding to 54521101 its reverse (10112545), we get a palindrome (64633646).

The spelling of 54521101 in words is "fifty-four million, five hundred twenty-one thousand, one hundred one".