5450155551 has 10 divisors (see below), whose sum is σ = 8141590512. Its totient is φ = 3633436980.

The previous prime is 5450155547. The next prime is 5450155573. The reversal of 5450155551 is 1555510545.

5450155551 is a `hidden beast` number, since 5 + 4 + 50 + 1 + 55 + 551 = 666.

It is not a de Polignac number, because 5450155551 - 2² = 5450155547 is a prime.

It is a super-2 number, since 2×5450155551² = 59408391060192227202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5450155541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 33642855 + ... + 33643016.

Almost surely, 2^5450155551 is an apocalyptic number.

5450155551 is a deficient number, since it is larger than the sum of its proper divisors (2691434961).

5450155551 is an equidigital number, since it uses as much as digits as its factorization.

5450155551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67285883 (or 67285874 counting only the distinct ones).

The product of its (nonzero) digits is 62500, while the sum is 36.

The square root of 5450155551 is about 73825.1688179580. The cubic root of 5450155551 is about 1759.8256058909.

The spelling of 5450155551 in words is "five billion, four hundred fifty million, one hundred fifty-five thousand, five hundred fifty-one".