54352621 has 8 divisors (see below), whose sum is σ = 57885624. Its totient is φ = 50856960.

The previous prime is 54352607. The next prime is 54352631. The reversal of 54352621 is 12625345.

It can be written as a sum of positive squares in 4 ways, for example, as 41139396 + 13213225 = 6414^2 + 3635^2 .

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 54352621 - 2⁵ = 54352589 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 54352621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54352631) 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 7 ways as a sum of consecutive naturals, for example, 6300 + ... + 12181.

It is an arithmetic number, because the mean of its divisors is an integer number (7235703).

Almost surely, 2^54352621 is an apocalyptic number.

It is an amenable number.

54352621 is a deficient number, since it is larger than the sum of its proper divisors (3533003).

54352621 is a wasteful number, since it uses less digits than its factorization.

54352621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18671.

The product of its digits is 7200, while the sum is 28.

The square root of 54352621 is about 7372.4230073972. The cubic root of 54352621 is about 378.7972614000.

Adding to 54352621 its reverse (12625345), we get a palindrome (66977966).

The spelling of 54352621 in words is "fifty-four million, three hundred fifty-two thousand, six hundred twenty-one".