75530280053 has 4 divisors (see below), whose sum is σ = 75531155148. Its totient is φ = 75529404960.

The previous prime is 75530280029. The next prime is 75530280079. The reversal of 75530280053 is 35008203557.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 67017818884 + 8512461169 = 258878^2 + 92263^2 .

It is a cyclic number.

It is not a de Polignac number, because 75530280053 - 2⁶ = 75530279989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75530279989 and 75530280016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75530280953) 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, 291926 + ... + 486087.

It is an arithmetic number, because the mean of its divisors is an integer number (18882788787).

Almost surely, 2^75530280053 is an apocalyptic number.

It is an amenable number.

75530280053 is a deficient number, since it is larger than the sum of its proper divisors (875095).

75530280053 is an equidigital number, since it uses as much as digits as its factorization.

75530280053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875094.

The product of its (nonzero) digits is 126000, while the sum is 38.

The spelling of 75530280053 in words is "seventy-five billion, five hundred thirty million, two hundred eighty thousand, fifty-three".