54021922 has 8 divisors (see below), whose sum is σ = 81292716. Its totient is φ = 26924352.

The previous prime is 54021907. The next prime is 54021923. The reversal of 54021922 is 22912045.

It can be written as a sum of positive squares in 2 ways, for example, as 34916281 + 19105641 = 5909^2 + 4371^2 .

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

It is not an unprimeable number, because it can be changed into a prime (54021923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42523 + ... + 43774.

Almost surely, 2^54021922 is an apocalyptic number.

54021922 is a deficient number, since it is larger than the sum of its proper divisors (27270794).

54021922 is a wasteful number, since it uses less digits than its factorization.

54021922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86612.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 54021922 is about 7349.9606801669. The cubic root of 54021922 is about 378.0274561769.

Adding to 54021922 its reverse (22912045), we get a palindrome (76933967).

The spelling of 54021922 in words is "fifty-four million, twenty-one thousand, nine hundred twenty-two".