52121648 has 10 divisors (see below), whose sum is σ = 100985724. Its totient is φ = 26060816.

The previous prime is 52121647. The next prime is 52121683. The reversal of 52121648 is 84612125.

It is a self number, because there is not a number n which added to its sum of digits gives 52121648.

It is not an unprimeable number, because it can be changed into a prime (52121647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1628786 + ... + 1628817.

Almost surely, 2^52121648 is an apocalyptic number.

It is an amenable number.

52121648 is a deficient number, since it is larger than the sum of its proper divisors (48864076).

52121648 is a wasteful number, since it uses less digits than its factorization.

52121648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3257611 (or 3257605 counting only the distinct ones).

The product of its digits is 3840, while the sum is 29.

The square root of 52121648 is about 7219.5323948300. The cubic root of 52121648 is about 373.5419483156.

The spelling of 52121648 in words is "fifty-two million, one hundred twenty-one thousand, six hundred forty-eight".