5555555451 has 8 divisors (see below), whose sum is σ = 8230452560. Its totient is φ = 3703703616.

The previous prime is 5555555387. The next prime is 5555555461. The reversal of 5555555451 is 1545555555.

5555555451 is a `hidden beast` number, since 5 + 5 + 55 + 55 + 545 + 1 = 666.

It is not a de Polignac number, because 5555555451 - 2⁶ = 5555555387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5555555397 and 5555555406.

It is not an unprimeable number, because it can be changed into a prime (5555555461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102880630 + ... + 102880683.

It is an arithmetic number, because the mean of its divisors is an integer number (1028806570).

Almost surely, 2^5555555451 is an apocalyptic number.

5555555451 is a deficient number, since it is larger than the sum of its proper divisors (2674897109).

5555555451 is a wasteful number, since it uses less digits than its factorization.

5555555451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205761322 (or 205761316 counting only the distinct ones).

The product of its digits is 1562500, while the sum is 45.

The square root of 5555555451 is about 74535.5985486130. The cubic root of 5555555451 is about 1771.0976041937.

The spelling of 5555555451 in words is "five billion, five hundred fifty-five million, five hundred fifty-five thousand, four hundred fifty-one".