5450621555 has 8 divisors (see below), whose sum is σ = 6547614912. Its totient is φ = 4355917888.

The previous prime is 5450621497. The next prime is 5450621591. The reversal of 5450621555 is 5551260545.

5450621555 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 5450621555 - 2²⁸ = 5182186099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567179 + ... + 576708.

It is an arithmetic number, because the mean of its divisors is an integer number (818451864).

Almost surely, 2^5450621555 is an apocalyptic number.

5450621555 is a deficient number, since it is larger than the sum of its proper divisors (1096993357).

5450621555 is a wasteful number, since it uses less digits than its factorization.

5450621555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144845.

The product of its (nonzero) digits is 150000, while the sum is 38.

The square root of 5450621555 is about 73828.3248827982. The cubic root of 5450621555 is about 1759.8757611811.

The spelling of 5450621555 in words is "five billion, four hundred fifty million, six hundred twenty-one thousand, five hundred fifty-five".