52157447502 has 8 divisors (see below), whose sum is σ = 104314895016. Its totient is φ = 17385815832.

The previous prime is 52157447483. The next prime is 52157447519. The reversal of 52157447502 is 20574475125.

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

52157447502 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 4346453953 + ... + 4346453964.

It is an arithmetic number, because the mean of its divisors is an integer number (13039361877).

Almost surely, 2^52157447502 is an apocalyptic number.

52157447502 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52157447502 is a wasteful number, since it uses less digits than its factorization.

52157447502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8692907922.

The product of its (nonzero) digits is 392000, while the sum is 42.

The spelling of 52157447502 in words is "fifty-two billion, one hundred fifty-seven million, four hundred forty-seven thousand, five hundred two".