1079555551 has 4 divisors (see below), whose sum is σ = 1079679832. Its totient is φ = 1079431272.

The previous prime is 1079555513. The next prime is 1079555579. The reversal of 1079555551 is 1555559701.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1079555551 - 2⁷ = 1079555423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1079555498 and 1079555507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1079555651) 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, 48045 + ... + 66838.

It is an arithmetic number, because the mean of its divisors is an integer number (269919958).

Almost surely, 2^1079555551 is an apocalyptic number.

1079555551 is a deficient number, since it is larger than the sum of its proper divisors (124281).

1079555551 is an equidigital number, since it uses as much as digits as its factorization.

1079555551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124280.

The product of its (nonzero) digits is 196875, while the sum is 43.

The square root of 1079555551 is about 32856.5906782794. The cubic root of 1079555551 is about 1025.8448084919.

The spelling of 1079555551 in words is "one billion, seventy-nine million, five hundred fifty-five thousand, five hundred fifty-one".