4345455551 has 4 divisors (see below), whose sum is σ = 4419107400. Its totient is φ = 4271803704.

The previous prime is 4345455533. The next prime is 4345455563. The reversal of 4345455551 is 1555545434.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1555545434 = 2 ⋅777772717.

It is a cyclic number.

It is not a de Polignac number, because 4345455551 - 2²⁶ = 4278346687 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4345455499 and 4345455508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4345455581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36825836 + ... + 36825953.

It is an arithmetic number, because the mean of its divisors is an integer number (1104776850).

Almost surely, 2^4345455551 is an apocalyptic number.

4345455551 is a deficient number, since it is larger than the sum of its proper divisors (73651849).

4345455551 is an equidigital number, since it uses as much as digits as its factorization.

4345455551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73651848.

The product of its digits is 600000, while the sum is 41.

The square root of 4345455551 is about 65920.0694098542. The cubic root of 4345455551 is about 1631.8432422193.

The spelling of 4345455551 in words is "four billion, three hundred forty-five million, four hundred fifty-five thousand, five hundred fifty-one".