5508778851 has 12 divisors (see below), whose sum is σ = 8375921320. Its totient is φ = 3479228640.

The previous prime is 5508778831. The next prime is 5508778859. The reversal of 5508778851 is 1588778055.

5508778851 is a `hidden beast` number, since 5 + 508 + 7 + 7 + 88 + 51 = 666.

It is not a de Polignac number, because 5508778851 - 2¹¹ = 5508776803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5508778859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16107370 + ... + 16107711.

Almost surely, 2^5508778851 is an apocalyptic number.

5508778851 is a deficient number, since it is larger than the sum of its proper divisors (2867142469).

5508778851 is a wasteful number, since it uses less digits than its factorization.

5508778851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32215106 (or 32215103 counting only the distinct ones).

The product of its (nonzero) digits is 3136000, while the sum is 54.

The square root of 5508778851 is about 74221.1482732516. The cubic root of 5508778851 is about 1766.1128321195.

The spelling of 5508778851 in words is "five billion, five hundred eight million, seven hundred seventy-eight thousand, eight hundred fifty-one".