5545158678 has 24 divisors (see below), whose sum is σ = 12166596000. Its totient is φ = 1824988464.

The previous prime is 5545158677. The next prime is 5545158727. The reversal of 5545158678 is 8768515455.

5545158678 is a `hidden beast` number, since 5 + 5 + 4 + 51 + 586 + 7 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5545158677) 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, 1948353 + ... + 1951196.

It is an arithmetic number, because the mean of its divisors is an integer number (506941500).

Almost surely, 2^5545158678 is an apocalyptic number.

5545158678 is an abundant number, since it is smaller than the sum of its proper divisors (6621437322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5545158678 is a wasteful number, since it uses less digits than its factorization.

5545158678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3899636 (or 3899633 counting only the distinct ones).

The product of its digits is 6720000, while the sum is 54.

The square root of 5545158678 is about 74465.8222139526. The cubic root of 5545158678 is about 1769.9920922753.

The spelling of 5545158678 in words is "five billion, five hundred forty-five million, one hundred fifty-eight thousand, six hundred seventy-eight".