52019385 has 16 divisors (see below), whose sum is σ = 90797760. Its totient is φ = 25221440.

The previous prime is 52019351. The next prime is 52019389. The reversal of 52019385 is 58391025.

It is not a de Polignac number, because 52019385 - 2¹⁰ = 52018361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (52019389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157470 + ... + 157799.

It is an arithmetic number, because the mean of its divisors is an integer number (5674860).

Almost surely, 2^52019385 is an apocalyptic number.

52019385 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52019385 is a deficient number, since it is larger than the sum of its proper divisors (38778375).

52019385 is a wasteful number, since it uses less digits than its factorization.

52019385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315288.

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

The square root of 52019385 is about 7212.4465335973. The cubic root of 52019385 is about 373.2974911558.

The spelling of 52019385 in words is "fifty-two million, nineteen thousand, three hundred eighty-five".