54150621 has 16 divisors (see below), whose sum is σ = 82635264. Its totient is φ = 30898224.

The previous prime is 54150619. The next prime is 54150637. The reversal of 54150621 is 12605145.

It is not a de Polignac number, because 54150621 - 2¹ = 54150619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54150591 and 54150600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54150121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17626 + ... + 20468.

It is an arithmetic number, because the mean of its divisors is an integer number (5164704).

Almost surely, 2^54150621 is an apocalyptic number.

It is an amenable number.

54150621 is a deficient number, since it is larger than the sum of its proper divisors (28484643).

54150621 is a wasteful number, since it uses less digits than its factorization.

54150621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3760.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 54150621 is about 7358.7105528075. The cubic root of 54150621 is about 378.3274157100.

Adding to 54150621 its reverse (12605145), we get a palindrome (66755766).

The spelling of 54150621 in words is "fifty-four million, one hundred fifty thousand, six hundred twenty-one".