52442519 has 4 divisors (see below), whose sum is σ = 52932744. Its totient is φ = 51952296.

The previous prime is 52442503. The next prime is 52442521. The reversal of 52442519 is 91524425.

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 52442519 - 2⁴ = 52442503 is a prime.

It is a super-2 number, since 2×52442519² = 5500435598130722, which contains 22 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 (52442549) 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, 244952 + ... + 245165.

It is an arithmetic number, because the mean of its divisors is an integer number (13233186).

Almost surely, 2^52442519 is an apocalyptic number.

52442519 is a deficient number, since it is larger than the sum of its proper divisors (490225).

52442519 is a wasteful number, since it uses less digits than its factorization.

52442519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490224.

The product of its digits is 14400, while the sum is 32.

The square root of 52442519 is about 7241.7207209337. The cubic root of 52442519 is about 374.3069129888.

The spelling of 52442519 in words is "fifty-two million, four hundred forty-two thousand, five hundred nineteen".