53004919 has 4 divisors (see below), whose sum is σ = 57823560. Its totient is φ = 48186280.

The previous prime is 53004893. The next prime is 53004961. The reversal of 53004919 is 91940035.

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 53004919 - 2⁹ = 53004407 is a prime.

It is a super-2 number, since 2×53004919² = 5619042876393122, 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 (53004989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2409304 + ... + 2409325.

It is an arithmetic number, because the mean of its divisors is an integer number (14455890).

Almost surely, 2^53004919 is an apocalyptic number.

53004919 is a deficient number, since it is larger than the sum of its proper divisors (4818641).

53004919 is a wasteful number, since it uses less digits than its factorization.

53004919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4818640.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 53004919 is about 7280.4477197491. The cubic root of 53004919 is about 375.6401959240.

The spelling of 53004919 in words is "fifty-three million, four thousand, nine hundred nineteen".