53537730219 has 8 divisors (see below), whose sum is σ = 79315155920. Its totient is φ = 35691820128.

The previous prime is 53537730217. The next prime is 53537730227. The reversal of 53537730219 is 91203773535.

53537730219 is a `hidden beast` number, since 5 + 35 + 377 + 30 + 219 = 666.

It is not a de Polignac number, because 53537730219 - 2¹ = 53537730217 is a prime.

It is a super-2 number, since 2×53537730219² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53537730217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 991439422 + ... + 991439475.

It is an arithmetic number, because the mean of its divisors is an integer number (9914394490).

Almost surely, 2^53537730219 is an apocalyptic number.

53537730219 is a deficient number, since it is larger than the sum of its proper divisors (25777425701).

53537730219 is a wasteful number, since it uses less digits than its factorization.

53537730219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982878906 (or 1982878900 counting only the distinct ones).

The product of its (nonzero) digits is 595350, while the sum is 45.

The spelling of 53537730219 in words is "fifty-three billion, five hundred thirty-seven million, seven hundred thirty thousand, two hundred nineteen".