54632021 has 4 divisors (see below), whose sum is σ = 54656844. Its totient is φ = 54607200.

The previous prime is 54632009. The next prime is 54632041. The reversal of 54632021 is 12023645.

54632021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17556100 + 37075921 = 4190^2 + 6089^2 .

It is a cyclic number.

It is not a de Polignac number, because 54632021 - 2⁶ = 54631957 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 (54632041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8750 + ... + 13631.

It is an arithmetic number, because the mean of its divisors is an integer number (13664211).

Almost surely, 2^54632021 is an apocalyptic number.

It is an amenable number.

54632021 is a deficient number, since it is larger than the sum of its proper divisors (24823).

54632021 is a wasteful number, since it uses less digits than its factorization.

54632021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24822.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 54632021 is about 7391.3477120211. The cubic root of 54632021 is about 379.4452223072.

Adding to 54632021 its reverse (12023645), we get a palindrome (66655666).

The spelling of 54632021 in words is "fifty-four million, six hundred thirty-two thousand, twenty-one".