5615556078 has 16 divisors (see below), whose sum is σ = 12252122496. Its totient is φ = 1701683640.

The previous prime is 5615556049. The next prime is 5615556097. The reversal of 5615556078 is 8706555165.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42542026 + ... + 42542157.

It is an arithmetic number, because the mean of its divisors is an integer number (765757656).

Almost surely, 2^5615556078 is an apocalyptic number.

5615556078 is an abundant number, since it is smaller than the sum of its proper divisors (6636566418).

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

5615556078 is a wasteful number, since it uses less digits than its factorization.

5615556078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85084199.

The product of its (nonzero) digits is 1260000, while the sum is 48.

The square root of 5615556078 is about 74937.0140718190. The cubic root of 5615556078 is about 1777.4508051529.

The spelling of 5615556078 in words is "five billion, six hundred fifteen million, five hundred fifty-six thousand, seventy-eight".