3545505551 has 4 divisors (see below), whose sum is σ = 4052006352. Its totient is φ = 3039004752.

The previous prime is 3545505529. The next prime is 3545505569. The reversal of 3545505551 is 1555055453.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1555055453 = 7 ⋅222150779.

It is not a de Polignac number, because 3545505551 - 2²² = 3541311247 is a prime.

It is a super-2 number, since 2×3545505551² = 25141219224343627202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3545505521) 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 3 ways as a sum of consecutive naturals, for example, 253250390 + ... + 253250403.

It is an arithmetic number, because the mean of its divisors is an integer number (1013001588).

Almost surely, 2^3545505551 is an apocalyptic number.

3545505551 is a deficient number, since it is larger than the sum of its proper divisors (506500801).

3545505551 is an equidigital number, since it uses as much as digits as its factorization.

3545505551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506500800.

The product of its (nonzero) digits is 187500, while the sum is 38.

The square root of 3545505551 is about 59544.1479156432. The cubic root of 3545505551 is about 1524.8462517757.

The spelling of 3545505551 in words is "three billion, five hundred forty-five million, five hundred five thousand, five hundred fifty-one".