5054555521 has 4 divisors (see below), whose sum is σ = 5100927700. Its totient is φ = 5008183344.

The previous prime is 5054555437. The next prime is 5054555531. The reversal of 5054555521 is 1255554505.

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 1559381121 + 3495174400 = 39489^2 + 59120^2 .

It is a cyclic number.

It is not a de Polignac number, because 5054555521 - 2¹¹ = 5054553473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5054555531) 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, 23185926 + ... + 23186143.

It is an arithmetic number, because the mean of its divisors is an integer number (1275231925).

Almost surely, 2^5054555521 is an apocalyptic number.

It is an amenable number.

5054555521 is a deficient number, since it is larger than the sum of its proper divisors (46372179).

5054555521 is a wasteful number, since it uses less digits than its factorization.

5054555521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46372178.

The product of its (nonzero) digits is 125000, while the sum is 37.

The square root of 5054555521 is about 71095.3973264093. The cubic root of 5054555521 is about 1716.1727051134.

The spelling of 5054555521 in words is "five billion, fifty-four million, five hundred fifty-five thousand, five hundred twenty-one".