52921448 has 8 divisors (see below), whose sum is σ = 99227730. Its totient is φ = 26460720.

The previous prime is 52921439. The next prime is 52921457. The reversal of 52921448 is 84412925.

It is an interprime number because it is at equal distance from previous prime (52921439) and next prime (52921457).

It can be written as a sum of positive squares in only one way, i.e., 45941284 + 6980164 = 6778^2 + 2642^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3307583 + ... + 3307598.

Almost surely, 2^52921448 is an apocalyptic number.

It is an amenable number.

52921448 is a deficient number, since it is larger than the sum of its proper divisors (46306282).

52921448 is a wasteful number, since it uses less digits than its factorization.

52921448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6615187 (or 6615183 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 52921448 is about 7274.7129152978. The cubic root of 52921448 is about 375.4429089747.

The spelling of 52921448 in words is "fifty-two million, nine hundred twenty-one thousand, four hundred forty-eight".