52666021335794 has 16 divisors (see below), whose sum is σ = 79055198986680. Its totient is φ = 26314290616320.

The previous prime is 52666021335769. The next prime is 52666021335847. The reversal of 52666021335794 is 49753312066625.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11161980312025 + 41504041023769 = 3340955^2 + 6442363^2 .

It is a super-2 number, since 2×52666021335794² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46405142 + ... + 47526510.

Almost surely, 2^{52666021335794} is an apocalyptic number.

52666021335794 is a deficient number, since it is larger than the sum of its proper divisors (26389177650886).

52666021335794 is a wasteful number, since it uses less digits than its factorization.

52666021335794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138045.

The product of its (nonzero) digits is 48988800, while the sum is 59.

The spelling of 52666021335794 in words is "fifty-two trillion, six hundred sixty-six billion, twenty-one million, three hundred thirty-five thousand, seven hundred ninety-four".