53030453239 has 4 divisors (see below), whose sum is σ = 53031079080. Its totient is φ = 53029827400.

The previous prime is 53030453233. The next prime is 53030453243. The reversal of 53030453239 is 93235403035.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 93235403035 = 5 ⋅18647080607.

It is a cyclic number.

It is not a de Polignac number, because 53030453239 - 2¹³ = 53030445047 is a prime.

It is a super-2 number, since 2×53030453239² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53030453198 and 53030453207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53030453233) 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, 161344 + ... + 363445.

It is an arithmetic number, because the mean of its divisors is an integer number (13257769770).

Almost surely, 2^53030453239 is an apocalyptic number.

53030453239 is a deficient number, since it is larger than the sum of its proper divisors (625841).

53030453239 is a wasteful number, since it uses less digits than its factorization.

53030453239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625840.

The product of its (nonzero) digits is 145800, while the sum is 37.

The spelling of 53030453239 in words is "fifty-three billion, thirty million, four hundred fifty-three thousand, two hundred thirty-nine".