5553757978978 has 16 divisors (see below), whose sum is σ = 9223608911904. Its totient is φ = 2486757303360.

The previous prime is 5553757978933. The next prime is 5553757979017. The reversal of 5553757978978 is 8798797573555.

It is a junction number, because it is equal to n+sod(n) for n = 5553757978895 and 5553757978904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1883905575 + ... + 1883908522.

It is an arithmetic number, because the mean of its divisors is an integer number (576475556994).

Almost surely, 2^{5553757978978} is an apocalyptic number.

5553757978978 is a deficient number, since it is larger than the sum of its proper divisors (3669850932926).

5553757978978 is a wasteful number, since it uses less digits than its factorization.

5553757978978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3767814177.

The product of its digits is 23337720000, while the sum is 85.

The spelling of 5553757978978 in words is "five trillion, five hundred fifty-three billion, seven hundred fifty-seven million, nine hundred seventy-eight thousand, nine hundred seventy-eight".