54024821 has 4 divisors (see below), whose sum is σ = 54114432. Its totient is φ = 53935212.

The previous prime is 54024791. The next prime is 54024853. The reversal of 54024821 is 12842045.

It is a happy number.

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 54024821 - 2¹⁸ = 53762677 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 (54024871) 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, 43895 + ... + 45108.

It is an arithmetic number, because the mean of its divisors is an integer number (13528608).

Almost surely, 2^54024821 is an apocalyptic number.

It is an amenable number.

54024821 is a deficient number, since it is larger than the sum of its proper divisors (89611).

54024821 is an equidigital number, since it uses as much as digits as its factorization.

54024821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89610.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 54024821 is about 7350.1578894606. The cubic root of 54024821 is about 378.0342181354.

Adding to 54024821 its reverse (12842045), we get a palindrome (66866866).

It can be divided in two parts, 54024 and 821, that added together give a palindrome (54845).

The spelling of 54024821 in words is "fifty-four million, twenty-four thousand, eight hundred twenty-one".