5521516450 has 24 divisors (see below), whose sum is σ = 10375906212. Its totient is φ = 2185835520.

The previous prime is 5521516421. The next prime is 5521516471. The reversal of 5521516450 is 546151255.

It can be written as a sum of positive squares in 6 ways, for example, as 3047150401 + 2474366049 = 55201^2 + 49743^2 .

It is a super-3 number, since 3×5521516450³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 564379 + ... + 574078.

Almost surely, 2^5521516450 is an apocalyptic number.

5521516450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5521516450 is a deficient number, since it is larger than the sum of its proper divisors (4854389762).

5521516450 is a wasteful number, since it uses less digits than its factorization.

5521516450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138566 (or 1138561 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 34.

The square root of 5521516450 is about 74306.9071486628. The cubic root of 5521516450 is about 1767.4730077696.

The spelling of 5521516450 in words is "five billion, five hundred twenty-one million, five hundred sixteen thousand, four hundred fifty".