52078471591 has 8 divisors (see below), whose sum is σ = 54960375600. Its totient is φ = 49210660800.

The previous prime is 52078471547. The next prime is 52078471597. The reversal of 52078471591 is 19517487025.

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

It is a cyclic number.

It is not a de Polignac number, because 52078471591 - 2¹¹ = 52078469543 is a prime.

It is a super-3 number, since 3×52078471591³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52078471597) 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, 3515710 + ... + 3530491.

It is an arithmetic number, because the mean of its divisors is an integer number (6870046950).

Almost surely, 2^52078471591 is an apocalyptic number.

52078471591 is a deficient number, since it is larger than the sum of its proper divisors (2881904009).

52078471591 is a wasteful number, since it uses less digits than its factorization.

52078471591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7046609.

The product of its (nonzero) digits is 705600, while the sum is 49.

The spelling of 52078471591 in words is "fifty-two billion, seventy-eight million, four hundred seventy-one thousand, five hundred ninety-one".