52145619 has 8 divisors (see below), whose sum is σ = 69568512. Its totient is φ = 34743240.

The previous prime is 52145591. The next prime is 52145641. The reversal of 52145619 is 91654125.

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

It is not a de Polignac number, because 52145619 - 2¹¹ = 52143571 is a prime.

It is a super-2 number, since 2×52145619² = 5438331161786322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52145619.

It is not an unprimeable number, because it can be changed into a prime (52145659) 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, 2374 + ... + 10484.

It is an arithmetic number, because the mean of its divisors is an integer number (8696064).

Almost surely, 2^52145619 is an apocalyptic number.

52145619 is a deficient number, since it is larger than the sum of its proper divisors (17422893).

52145619 is a wasteful number, since it uses less digits than its factorization.

52145619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10257.

The product of its digits is 10800, while the sum is 33.

The square root of 52145619 is about 7221.1923530675. The cubic root of 52145619 is about 373.5992041267.

The spelling of 52145619 in words is "fifty-two million, one hundred forty-five thousand, six hundred nineteen".