5055071521 has 4 divisors (see below), whose sum is σ = 5055645844. Its totient is φ = 5054497200.

The previous prime is 5055071501. The next prime is 5055071563. The reversal of 5055071521 is 1251705505.

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 1338462225 + 3716609296 = 36585^2 + 60964^2 .

It is a cyclic number.

It is not a de Polignac number, because 5055071521 - 2⁷ = 5055071393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5055071501) 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, 273750 + ... + 291631.

It is an arithmetic number, because the mean of its divisors is an integer number (1263911461).

Almost surely, 2^5055071521 is an apocalyptic number.

It is an amenable number.

5055071521 is a deficient number, since it is larger than the sum of its proper divisors (574323).

5055071521 is an equidigital number, since it uses as much as digits as its factorization.

5055071521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574322.

The product of its (nonzero) digits is 8750, while the sum is 31.

The square root of 5055071521 is about 71099.0261607007. The cubic root of 5055071521 is about 1716.2311022682.

The spelling of 5055071521 in words is "five billion, fifty-five million, seventy-one thousand, five hundred twenty-one".