52170131782 has 8 divisors (see below), whose sum is σ = 79538069952. Its totient is φ = 25657441800.

The previous prime is 52170131779. The next prime is 52170131803. The reversal of 52170131782 is 28713107125.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213811894 + ... + 213812137.

It is an arithmetic number, because the mean of its divisors is an integer number (9942258744).

Almost surely, 2^52170131782 is an apocalyptic number.

52170131782 is a deficient number, since it is larger than the sum of its proper divisors (27367938170).

52170131782 is a wasteful number, since it uses less digits than its factorization.

52170131782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427624094.

The product of its (nonzero) digits is 23520, while the sum is 37.

The spelling of 52170131782 in words is "fifty-two billion, one hundred seventy million, one hundred thirty-one thousand, seven hundred eighty-two".