52902668289021 has 4 divisors (see below), whose sum is σ = 70536891052032. Its totient is φ = 35268445526012.

The previous prime is 52902668289007. The next prime is 52902668289043. The reversal of 52902668289021 is 12098286620925.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52902668289021 - 2⁵ = 52902668288989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52902668289221) 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, 8817111381501 + ... + 8817111381506.

It is an arithmetic number, because the mean of its divisors is an integer number (17634222763008).

Almost surely, 2^{52902668289021} is an apocalyptic number.

It is an amenable number.

52902668289021 is a deficient number, since it is larger than the sum of its proper divisors (17634222763011).

52902668289021 is a wasteful number, since it uses less digits than its factorization.

52902668289021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17634222763010.

The product of its (nonzero) digits is 14929920, while the sum is 60.

The spelling of 52902668289021 in words is "fifty-two trillion, nine hundred two billion, six hundred sixty-eight million, two hundred eighty-nine thousand, twenty-one".