2778003052550 has 48 divisors (see below), whose sum is σ = 5639529172032. Its totient is φ = 1009697546400.

The previous prime is 2778003052541. The next prime is 2778003052603. The reversal of 2778003052550 is 552503008772.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66764 + ... + 2358063.

It is an arithmetic number, because the mean of its divisors is an integer number (117490191084).

Almost surely, 2^{2778003052550} is an apocalyptic number.

2778003052550 is an abundant number, since it is smaller than the sum of its proper divisors (2861526119482).

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

2778003052550 is a wasteful number, since it uses less digits than its factorization.

2778003052550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426933 (or 2426928 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 44.

The spelling of 2778003052550 in words is "two trillion, seven hundred seventy-eight billion, three million, fifty-two thousand, five hundred fifty".