7139575553 has 8 divisors (see below), whose sum is σ = 7792339296. Its totient is φ = 6487430400.

The previous prime is 7139575519. The next prime is 7139575591. The reversal of 7139575553 is 3555759317.

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

It is not a de Polignac number, because 7139575553 - 2¹⁴ = 7139559169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7139575253) 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, 130343 + ... + 176828.

It is an arithmetic number, because the mean of its divisors is an integer number (974042412).

Almost surely, 2^7139575553 is an apocalyptic number.

It is an amenable number.

7139575553 is a deficient number, since it is larger than the sum of its proper divisors (652763743).

7139575553 is a wasteful number, since it uses less digits than its factorization.

7139575553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309295.

The product of its digits is 2480625, while the sum is 50.

The square root of 7139575553 is about 84496.0090951046. The cubic root of 7139575553 is about 1925.5618130128.

The spelling of 7139575553 in words is "seven billion, one hundred thirty-nine million, five hundred seventy-five thousand, five hundred fifty-three".