53131122706 has 4 divisors (see below), whose sum is σ = 79696684062. Its totient is φ = 26565561352.

The previous prime is 53131122679. The next prime is 53131122757. The reversal of 53131122706 is 60722113135.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 46530372681 + 6600750025 = 215709^2 + 81245^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13282780675 + ... + 13282780678.

Almost surely, 2^53131122706 is an apocalyptic number.

53131122706 is a deficient number, since it is larger than the sum of its proper divisors (26565561356).

53131122706 is a wasteful number, since it uses less digits than its factorization.

53131122706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26565561355.

The product of its (nonzero) digits is 7560, while the sum is 31.

The spelling of 53131122706 in words is "fifty-three billion, one hundred thirty-one million, one hundred twenty-two thousand, seven hundred six".