52690532158 has 64 divisors (see below), whose sum is σ = 89873867520. Its totient is φ = 22976254560.

The previous prime is 52690532149. The next prime is 52690532161. The reversal of 52690532158 is 85123509625.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151845741 + ... + 151846087.

It is an arithmetic number, because the mean of its divisors is an integer number (1404279180).

Almost surely, 2^52690532158 is an apocalyptic number.

52690532158 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

52690532158 is a deficient number, since it is larger than the sum of its proper divisors (37183335362).

52690532158 is a wasteful number, since it uses less digits than its factorization.

52690532158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730 (or 672 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 46.

The spelling of 52690532158 in words is "fifty-two billion, six hundred ninety million, five hundred thirty-two thousand, one hundred fifty-eight".