52256219659721 has 32 divisors (see below), whose sum is σ = 65350126550016. Its totient is φ = 40594592808000.

The previous prime is 52256219659703. The next prime is 52256219659733. The reversal of 52256219659721 is 12795691265225.

It is a happy number.

It is not a de Polignac number, because 52256219659721 - 2¹⁴ = 52256219643337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52256219659741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39207686 + ... + 40518576.

It is an arithmetic number, because the mean of its divisors is an integer number (2042191454688).

Almost surely, 2^{52256219659721} is an apocalyptic number.

It is an amenable number.

52256219659721 is a deficient number, since it is larger than the sum of its proper divisors (13093906890295).

52256219659721 is a wasteful number, since it uses less digits than its factorization.

52256219659721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312493.

The product of its digits is 40824000, while the sum is 62.

The spelling of 52256219659721 in words is "fifty-two trillion, two hundred fifty-six billion, two hundred nineteen million, six hundred fifty-nine thousand, seven hundred twenty-one".