52179619 has 4 divisors (see below), whose sum is σ = 52230880. Its totient is φ = 52128360.

The previous prime is 52179599. The next prime is 52179623. The reversal of 52179619 is 91697125.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52179619 - 2²¹ = 50082467 is a prime.

It is a super-2 number, since 2×52179619² = 5445425277970322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52179649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24072 + ... + 26149.

It is an arithmetic number, because the mean of its divisors is an integer number (13057720).

Almost surely, 2^52179619 is an apocalyptic number.

52179619 is a deficient number, since it is larger than the sum of its proper divisors (51261).

52179619 is a wasteful number, since it uses less digits than its factorization.

52179619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51260.

The product of its digits is 34020, while the sum is 40.

The square root of 52179619 is about 7223.5461513027. The cubic root of 52179619 is about 373.6803845688.

The spelling of 52179619 in words is "fifty-two million, one hundred seventy-nine thousand, six hundred nineteen".