53686505726 has 12 divisors (see below), whose sum is σ = 93677474448. Its totient is φ = 23008502412.

The previous prime is 53686505689. The next prime is 53686505737. The reversal of 53686505726 is 62750568635.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 273910646 + ... + 273910841.

It is an arithmetic number, because the mean of its divisors is an integer number (7806456204).

Almost surely, 2^53686505726 is an apocalyptic number.

53686505726 is a deficient number, since it is larger than the sum of its proper divisors (39990968722).

53686505726 is a wasteful number, since it uses less digits than its factorization.

53686505726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547821503 (or 547821496 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 53.

The spelling of 53686505726 in words is "fifty-three billion, six hundred eighty-six million, five hundred five thousand, seven hundred twenty-six".