55500055300278 has 32 divisors (see below), whose sum is σ = 123334932357120. Its totient is φ = 18499797013320.

The previous prime is 55500055300259. The next prime is 55500055300301. The reversal of 55500055300278 is 87200355000555.

It is a super-2 number, since 2×55500055300278² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1565638 + ... + 10651353.

It is an arithmetic number, because the mean of its divisors is an integer number (3854216636160).

Almost surely, 2^{55500055300278} is an apocalyptic number.

55500055300278 is an abundant number, since it is smaller than the sum of its proper divisors (67834877056842).

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

55500055300278 is a wasteful number, since it uses less digits than its factorization.

55500055300278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12301129 (or 12301123 counting only the distinct ones).

The product of its (nonzero) digits is 1050000, while the sum is 45.

The spelling of 55500055300278 in words is "fifty-five trillion, five hundred billion, fifty-five million, three hundred thousand, two hundred seventy-eight".