53982172378 has 8 divisors (see below), whose sum is σ = 81425623680. Its totient is φ = 26840297820.

The previous prime is 53982172357. The next prime is 53982172399. The reversal of 53982172378 is 87327128935.

It is an interprime number because it is at equal distance from previous prime (53982172357) and next prime (53982172399).

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

It is a super-3 number, since 3×53982172378³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75393738 + ... + 75394453.

It is an arithmetic number, because the mean of its divisors is an integer number (10178202960).

Almost surely, 2^53982172378 is an apocalyptic number.

53982172378 is a deficient number, since it is larger than the sum of its proper divisors (27443451302).

53982172378 is a wasteful number, since it uses less digits than its factorization.

53982172378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150788372.

The product of its digits is 5080320, while the sum is 55.

The spelling of 53982172378 in words is "fifty-three billion, nine hundred eighty-two million, one hundred seventy-two thousand, three hundred seventy-eight".