53103221519 has 4 divisors (see below), whose sum is σ = 54233077344. Its totient is φ = 51973365696.

The previous prime is 53103221489. The next prime is 53103221531. The reversal of 53103221519 is 91512230135.

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 53103221519 - 2¹² = 53103217423 is a prime.

It is a super-2 number, since 2×53103221519² (a number of 22 digits) 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 (53103221569) 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, 564927842 + ... + 564927935.

It is an arithmetic number, because the mean of its divisors is an integer number (13558269336).

Almost surely, 2^53103221519 is an apocalyptic number.

53103221519 is a deficient number, since it is larger than the sum of its proper divisors (1129855825).

53103221519 is a wasteful number, since it uses less digits than its factorization.

53103221519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129855824.

The product of its (nonzero) digits is 8100, while the sum is 32.

The spelling of 53103221519 in words is "fifty-three billion, one hundred three million, two hundred twenty-one thousand, five hundred nineteen".