53365419 has 16 divisors (see below), whose sum is σ = 79789600. Its totient is φ = 35248608.

The previous prime is 53365391. The next prime is 53365427. The reversal of 53365419 is 91456335.

53365419 = 645² + 646² + ... + 753².

It is not a de Polignac number, because 53365419 - 2⁵ = 53365387 is a prime.

It is a super-2 number, since 2×53365419² = 5695735890091122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53365439) 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, 6124 + ... + 12009.

It is an arithmetic number, because the mean of its divisors is an integer number (4986850).

Almost surely, 2^53365419 is an apocalyptic number.

53365419 is a deficient number, since it is larger than the sum of its proper divisors (26424181).

53365419 is a wasteful number, since it uses less digits than its factorization.

53365419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18251 (or 18245 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 53365419 is about 7305.1638585319. The cubic root of 53365419 is about 376.4898808410.

The spelling of 53365419 in words is "fifty-three million, three hundred sixty-five thousand, four hundred nineteen".