55030025278 has 16 divisors (see below), whose sum is σ = 82916168400. Its totient is φ = 27391350976.

The previous prime is 55030025273. The next prime is 55030025293. The reversal of 55030025278 is 87252003055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55030025273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3206376 + ... + 3223492.

It is an arithmetic number, because the mean of its divisors is an integer number (5182260525).

Almost surely, 2^55030025278 is an apocalyptic number.

55030025278 is a deficient number, since it is larger than the sum of its proper divisors (27886143122).

55030025278 is a wasteful number, since it uses less digits than its factorization.

55030025278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24251.

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 55030025278 in words is "fifty-five billion, thirty million, twenty-five thousand, two hundred seventy-eight".