5555078558 has 4 divisors (see below), whose sum is σ = 8332617840. Its totient is φ = 2777539278.

The previous prime is 5555078533. The next prime is 5555078647. The reversal of 5555078558 is 8558705555.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1388769638 + ... + 1388769641.

It is an arithmetic number, because the mean of its divisors is an integer number (2083154460).

Almost surely, 2^5555078558 is an apocalyptic number.

5555078558 is a deficient number, since it is larger than the sum of its proper divisors (2777539282).

5555078558 is a wasteful number, since it uses less digits than its factorization.

5555078558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2777539281.

The product of its (nonzero) digits is 7000000, while the sum is 53.

The square root of 5555078558 is about 74532.3993844288. The cubic root of 5555078558 is about 1771.0469252996.

The spelling of 5555078558 in words is "five billion, five hundred fifty-five million, seventy-eight thousand, five hundred fifty-eight".