52147619 has 8 divisors (see below), whose sum is σ = 56121408. Its totient is φ = 48274560.

The previous prime is 52147607. The next prime is 52147621. The reversal of 52147619 is 91674125.

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

It is not a de Polignac number, because 52147619 - 2¹⁶ = 52082083 is a prime.

It is a super-2 number, since 2×52147619² = 5438748334738322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52147639) 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, 24107 + ... + 26180.

It is an arithmetic number, because the mean of its divisors is an integer number (7015176).

Almost surely, 2^52147619 is an apocalyptic number.

52147619 is a deficient number, since it is larger than the sum of its proper divisors (3973789).

52147619 is a wasteful number, since it uses less digits than its factorization.

52147619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50365.

The product of its digits is 15120, while the sum is 35.

The square root of 52147619 is about 7221.3308330252. The cubic root of 52147619 is about 373.6039804235.

The spelling of 52147619 in words is "fifty-two million, one hundred forty-seven thousand, six hundred nineteen".