54154621 has 2 divisors, whose sum is σ = 54154622. Its totient is φ = 54154620.

The previous prime is 54154609. The next prime is 54154637. The reversal of 54154621 is 12645145.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46376100 + 7778521 = 6810^2 + 2789^2 .

It is a cyclic number.

It is not a de Polignac number, because 54154621 - 2⁹ = 54154109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54154621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54151621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27077310 + 27077311.

It is an arithmetic number, because the mean of its divisors is an integer number (27077311).

Almost surely, 2^54154621 is an apocalyptic number.

It is an amenable number.

54154621 is a deficient number, since it is larger than the sum of its proper divisors (1).

54154621 is an equidigital number, since it uses as much as digits as its factorization.

54154621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4800, while the sum is 28.

The square root of 54154621 is about 7358.9823345351. The cubic root of 54154621 is about 378.3367309150.

Adding to 54154621 its reverse (12645145), we get a palindrome (66799766).

The spelling of 54154621 in words is "fifty-four million, one hundred fifty-four thousand, six hundred twenty-one".