53486642278 has 16 divisors (see below), whose sum is σ = 83912495616. Its totient is φ = 25521206920.

The previous prime is 53486642213. The next prime is 53486642317. The reversal of 53486642278 is 87224668435.

It is a congruent number.

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, 1329076 + ... + 1368727.

It is an arithmetic number, because the mean of its divisors is an integer number (5244530976).

Almost surely, 2^53486642278 is an apocalyptic number.

53486642278 is a deficient number, since it is larger than the sum of its proper divisors (30425853338).

53486642278 is a wasteful number, since it uses less digits than its factorization.

53486642278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2698259.

The product of its digits is 15482880, while the sum is 55.

The spelling of 53486642278 in words is "fifty-three billion, four hundred eighty-six million, six hundred forty-two thousand, two hundred seventy-eight".