53486642279 has 8 divisors (see below), whose sum is σ = 61143848448. Its totient is φ = 45833500440.

The previous prime is 53486642213. The next prime is 53486642317. The reversal of 53486642279 is 97224668435.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-53486642279 is a prime.

It is a super-4 number, since 4×53486642279⁴ (a number of 44 digits) contains 4444 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 (53486642579) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 987827 + ... + 1040564.

It is an arithmetic number, because the mean of its divisors is an integer number (7642981056).

Almost surely, 2^53486642279 is an apocalyptic number.

53486642279 is a deficient number, since it is larger than the sum of its proper divisors (7657206169).

53486642279 is a wasteful number, since it uses less digits than its factorization.

53486642279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032165.

The product of its digits is 17418240, while the sum is 56.

The spelling of 53486642279 in words is "fifty-three billion, four hundred eighty-six million, six hundred forty-two thousand, two hundred seventy-nine".