52428019 has 8 divisors (see below), whose sum is σ = 60468320. Its totient is φ = 44525376.

The previous prime is 52428007. The next prime is 52428023. The reversal of 52428019 is 91082425.

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

It is not a de Polignac number, because 52428019 - 2¹⁵ = 52395251 is a prime.

It is a super-2 number, since 2×52428019² = 5497394352528722, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (52428059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33594 + ... + 35119.

It is an arithmetic number, because the mean of its divisors is an integer number (7558540).

Almost surely, 2^52428019 is an apocalyptic number.

52428019 is a deficient number, since it is larger than the sum of its proper divisors (8040301).

52428019 is a wasteful number, since it uses less digits than its factorization.

52428019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68829.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 52428019 is about 7240.7195084467. The cubic root of 52428019 is about 374.2724120365.

The spelling of 52428019 in words is "fifty-two million, four hundred twenty-eight thousand, nineteen".