52299019 has 4 divisors (see below), whose sum is σ = 53712544. Its totient is φ = 50885496.

The previous prime is 52299017. The next prime is 52299029. The reversal of 52299019 is 91099225.

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 52299019 - 2¹ = 52299017 is a prime.

It is a super-2 number, since 2×52299019² = 5470374776724722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 1413487 = 52299019 / (5 + 2 + 2 + 9 + 9 + 0 + 1 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52299017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 706707 + ... + 706780.

It is an arithmetic number, because the mean of its divisors is an integer number (13428136).

Almost surely, 2^52299019 is an apocalyptic number.

52299019 is a deficient number, since it is larger than the sum of its proper divisors (1413525).

52299019 is a wasteful number, since it uses less digits than its factorization.

52299019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413524.

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 52299019 is about 7231.8060676431. The cubic root of 52299019 is about 373.9651921241.

The spelling of 52299019 in words is "fifty-two million, two hundred ninety-nine thousand, nineteen".