53005519 has 16 divisors (see below), whose sum is σ = 62742528. Its totient is φ = 43837632.

The previous prime is 53005517. The next prime is 53005531. The reversal of 53005519 is 91550035.

It is a cyclic number.

It is not a de Polignac number, because 53005519 - 2¹ = 53005517 is a prime.

It is a super-2 number, since 2×53005519² = 5619170088918722, 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 (53005517) 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, 22914 + ... + 25120.

It is an arithmetic number, because the mean of its divisors is an integer number (3921408).

Almost surely, 2^53005519 is an apocalyptic number.

53005519 is a deficient number, since it is larger than the sum of its proper divisors (9737009).

53005519 is a wasteful number, since it uses less digits than its factorization.

53005519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334.

The product of its (nonzero) digits is 3375, while the sum is 28.

The square root of 53005519 is about 7280.4889258895. The cubic root of 53005519 is about 375.6416132973.

The spelling of 53005519 in words is "fifty-three million, five thousand, five hundred nineteen".