52515017678 has 16 divisors (see below), whose sum is σ = 80266806144. Its totient is φ = 25762539000.

The previous prime is 52515017671. The next prime is 52515017701. The reversal of 52515017678 is 87671051525.

52515017678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52515017671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747050 + ... + 814317.

It is an arithmetic number, because the mean of its divisors is an integer number (5016675384).

Almost surely, 2^52515017678 is an apocalyptic number.

52515017678 is a deficient number, since it is larger than the sum of its proper divisors (27751788466).

52515017678 is a wasteful number, since it uses less digits than its factorization.

52515017678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561687.

The product of its (nonzero) digits is 588000, while the sum is 47.

The spelling of 52515017678 in words is "fifty-two billion, five hundred fifteen million, seventeen thousand, six hundred seventy-eight".