52359850506381 has 32 divisors (see below), whose sum is σ = 80172929518080. Its totient is φ = 30061295553600.

The previous prime is 52359850506319. The next prime is 52359850506389. The reversal of 52359850506381 is 18360505895325.

It is a happy number.

It is not a de Polignac number, because 52359850506381 - 2¹¹ = 52359850504333 is a prime.

It is a super-2 number, since 2×52359850506381² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52359850506389) 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, 8188206 + ... + 13105968.

It is an arithmetic number, because the mean of its divisors is an integer number (2505404047440).

Almost surely, 2^{52359850506381} is an apocalyptic number.

It is an amenable number.

52359850506381 is a deficient number, since it is larger than the sum of its proper divisors (27813079011699).

52359850506381 is a wasteful number, since it uses less digits than its factorization.

52359850506381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4934777.

The product of its (nonzero) digits is 38880000, while the sum is 60.

The spelling of 52359850506381 in words is "fifty-two trillion, three hundred fifty-nine billion, eight hundred fifty million, five hundred six thousand, three hundred eighty-one".