28758056060550 has 24 divisors (see below), whose sum is σ = 71319979030536. Its totient is φ = 7668814949440.

The previous prime is 28758056060549. The next prime is 28758056060561. The reversal of 28758056060550 is 5506065085782.

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 11 ways as a sum of consecutive naturals, for example, 95860186719 + ... + 95860187018.

It is an arithmetic number, because the mean of its divisors is an integer number (2971665792939).

Almost surely, 2^{28758056060550} is an apocalyptic number.

28758056060550 is an abundant number, since it is smaller than the sum of its proper divisors (42561922969986).

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

28758056060550 is a wasteful number, since it uses less digits than its factorization.

28758056060550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191720373752 (or 191720373747 counting only the distinct ones).

The product of its (nonzero) digits is 20160000, while the sum is 57.

The spelling of 28758056060550 in words is "twenty-eight trillion, seven hundred fifty-eight billion, fifty-six million, sixty thousand, five hundred fifty".