52525356066431 has 4 divisors (see below), whose sum is σ = 55289848491000. Its totient is φ = 49760863641864.

The previous prime is 52525356066427. The next prime is 52525356066451. The reversal of 52525356066431 is 13466065352525.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 52525356066431 - 2² = 52525356066427 is a prime.

It is a super-2 number, since 2×52525356066431² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52525356066451) 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, 1382246212256 + ... + 1382246212293.

It is an arithmetic number, because the mean of its divisors is an integer number (13822462122750).

Almost surely, 2^{52525356066431} is an apocalyptic number.

52525356066431 is a deficient number, since it is larger than the sum of its proper divisors (2764492424569).

52525356066431 is a wasteful number, since it uses less digits than its factorization.

52525356066431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2764492424568.

The product of its (nonzero) digits is 19440000, while the sum is 53.

The spelling of 52525356066431 in words is "fifty-two trillion, five hundred twenty-five billion, three hundred fifty-six million, sixty-six thousand, four hundred thirty-one".