52550019 has 8 divisors (see below), whose sum is σ = 77851920. Its totient is φ = 35033328.

The previous prime is 52549969. The next prime is 52550033. The reversal of 52550019 is 91005525.

It is not a de Polignac number, because 52550019 - 2¹⁶ = 52484483 is a prime.

It is a super-2 number, since 2×52550019² = 5523008993800722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1946297 = 52550019 / (5 + 2 + 5 + 5 + 0 + 0 + 1 + 9).

It is a junction number, because it is equal to n+sod(n) for n = 52549974 and 52550001.

It is not an unprimeable number, because it can be changed into a prime (52550119) 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, 973122 + ... + 973175.

It is an arithmetic number, because the mean of its divisors is an integer number (9731490).

Almost surely, 2^52550019 is an apocalyptic number.

52550019 is a deficient number, since it is larger than the sum of its proper divisors (25301901).

52550019 is a wasteful number, since it uses less digits than its factorization.

52550019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946306 (or 1946300 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The square root of 52550019 is about 7249.1391902763. The cubic root of 52550019 is about 374.5624977766.

The spelling of 52550019 in words is "fifty-two million, five hundred fifty thousand, nineteen".