53290919 has 4 divisors (see below), whose sum is σ = 58135560. Its totient is φ = 48446280.

The previous prime is 53290879. The next prime is 53290921. The reversal of 53290919 is 91909235.

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 53290919 - 2⁸ = 53290663 is a prime.

It is a super-2 number, since 2×53290919² = 5679844095729122, 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 (53292919) 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, 2422304 + ... + 2422325.

It is an arithmetic number, because the mean of its divisors is an integer number (14533890).

Almost surely, 2^53290919 is an apocalyptic number.

53290919 is a deficient number, since it is larger than the sum of its proper divisors (4844641).

53290919 is a wasteful number, since it uses less digits than its factorization.

53290919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4844640.

The product of its (nonzero) digits is 21870, while the sum is 38.

The square root of 53290919 is about 7300.0629449341. The cubic root of 53290919 is about 376.3146015496.

The spelling of 53290919 in words is "fifty-three million, two hundred ninety thousand, nine hundred nineteen".