54552421 has 8 divisors (see below), whose sum is σ = 68013504. Its totient is φ = 42508320.

The previous prime is 54552419. The next prime is 54552503. The reversal of 54552421 is 12425545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54552421 - 2¹ = 54552419 is a prime.

It is a super-2 number, since 2×54552421² = 5951933273922482, which contains 22 as substring.

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 54552421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54555421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354160 + ... + 354313.

It is an arithmetic number, because the mean of its divisors is an integer number (8501688).

Almost surely, 2^54552421 is an apocalyptic number.

It is an amenable number.

54552421 is a deficient number, since it is larger than the sum of its proper divisors (13461083).

54552421 is a wasteful number, since it uses less digits than its factorization.

54552421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708491.

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

The square root of 54552421 is about 7385.9610749042. The cubic root of 54552421 is about 379.2608461835.

Adding to 54552421 its reverse (12425545), we get a palindrome (66977966).

It can be divided in two parts, 545524 and 21, that added together give a palindrome (545545).

The spelling of 54552421 in words is "fifty-four million, five hundred fifty-two thousand, four hundred twenty-one".