54254521 has 4 divisors (see below), whose sum is σ = 55577844. Its totient is φ = 52931200.

The previous prime is 54254509. The next prime is 54254537. The reversal of 54254521 is 12545245.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15054400 + 39200121 = 3880^2 + 6261^2 .

It is a cyclic number.

It is not a de Polignac number, because 54254521 - 2⁷ = 54254393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54254521.

It is not an unprimeable number, because it can be changed into a prime (54254561) 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, 661600 + ... + 661681.

It is an arithmetic number, because the mean of its divisors is an integer number (13894461).

Almost surely, 2^54254521 is an apocalyptic number.

It is an amenable number.

54254521 is a deficient number, since it is larger than the sum of its proper divisors (1323323).

54254521 is a wasteful number, since it uses less digits than its factorization.

54254521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323322.

The product of its digits is 8000, while the sum is 28.

The square root of 54254521 is about 7365.7668304122. The cubic root of 54254521 is about 378.5692295249.

Adding to 54254521 its reverse (12545245), we get a palindrome (66799766).

The spelling of 54254521 in words is "fifty-four million, two hundred fifty-four thousand, five hundred twenty-one".