53219507 has 8 divisors (see below), whose sum is σ = 58924992. Its totient is φ = 47658600.

The previous prime is 53219501. The next prime is 53219519. The reversal of 53219507 is 70591235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53219507 - 2⁶ = 53219443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53219501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35369 + ... + 36842.

It is an arithmetic number, because the mean of its divisors is an integer number (7365624).

Almost surely, 2^53219507 is an apocalyptic number.

53219507 is a deficient number, since it is larger than the sum of its proper divisors (5705485).

53219507 is a wasteful number, since it uses less digits than its factorization.

53219507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72289.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 53219507 is about 7295.1701145347. The cubic root of 53219507 is about 376.1464341171.

The spelling of 53219507 in words is "fifty-three million, two hundred nineteen thousand, five hundred seven".