54421506 has 12 divisors (see below), whose sum is σ = 117913302. Its totient is φ = 18140496.

The previous prime is 54421501. The next prime is 54421537. The reversal of 54421506 is 60512445.

It can be written as a sum of positive squares in only one way, i.e., 44555625 + 9865881 = 6675^2 + 3141^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 54421506.

It is not an unprimeable number, because it can be changed into a prime (54421501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1511691 + ... + 1511726.

Almost surely, 2^54421506 is an apocalyptic number.

54421506 is an abundant number, since it is smaller than the sum of its proper divisors (63491796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54421506 is a wasteful number, since it uses less digits than its factorization.

54421506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3023425 (or 3023422 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 54421506 is about 7377.0933300318. The cubic root of 54421506 is about 378.9572195478.

The spelling of 54421506 in words is "fifty-four million, four hundred twenty-one thousand, five hundred six".