53530394819 has 8 divisors (see below), whose sum is σ = 61470310080. Its totient is φ = 46102732200.

The previous prime is 53530394789. The next prime is 53530394831. The reversal of 53530394819 is 91849303535.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53530394819 is a prime.

It is a super-2 number, since 2×53530394819² (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 (53530394719) 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, 128062937 + ... + 128063354.

It is an arithmetic number, because the mean of its divisors is an integer number (7683788760).

Almost surely, 2^53530394819 is an apocalyptic number.

53530394819 is a deficient number, since it is larger than the sum of its proper divisors (7939915261).

53530394819 is a wasteful number, since it uses less digits than its factorization.

53530394819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256126321.

The product of its (nonzero) digits is 1749600, while the sum is 50.

The spelling of 53530394819 in words is "fifty-three billion, five hundred thirty million, three hundred ninety-four thousand, eight hundred nineteen".