5521120258 has 4 divisors (see below), whose sum is σ = 8281680390. Its totient is φ = 2760560128.

The previous prime is 5521120249. The next prime is 5521120271. The reversal of 5521120258 is 8520211255.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8520211255 = 5 ⋅1704042251.

It can be written as a sum of positive squares in only one way, i.e., 3739689409 + 1781430849 = 61153^2 + 42207^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1380280063 + ... + 1380280066.

Almost surely, 2^5521120258 is an apocalyptic number.

5521120258 is a deficient number, since it is larger than the sum of its proper divisors (2760560132).

5521120258 is a wasteful number, since it uses less digits than its factorization.

5521120258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760560131.

The product of its (nonzero) digits is 8000, while the sum is 31.

The square root of 5521120258 is about 74304.2411844708. The cubic root of 5521120258 is about 1767.4307322207.

The spelling of 5521120258 in words is "five billion, five hundred twenty-one million, one hundred twenty thousand, two hundred fifty-eight".