2775528055530 has 32 divisors (see below), whose sum is σ = 7401408148800. Its totient is φ = 740140814736.

The previous prime is 2775528055439. The next prime is 2775528055543. The reversal of 2775528055530 is 355508255772.

2775528055530 is a `hidden beast` number, since 2 + 7 + 7 + 5 + 5 + 2 + 80 + 5 + 553 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon 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, 5139866500 + ... + 5139867039.

It is an arithmetic number, because the mean of its divisors is an integer number (231294004650).

Almost surely, 2^{2775528055530} is an apocalyptic number.

2775528055530 is an abundant number, since it is smaller than the sum of its proper divisors (4625880093270).

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

2775528055530 is a wasteful number, since it uses less digits than its factorization.

2775528055530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10279733555 (or 10279733549 counting only the distinct ones).

The product of its (nonzero) digits is 14700000, while the sum is 54.

The spelling of 2775528055530 in words is "two trillion, seven hundred seventy-five billion, five hundred twenty-eight million, fifty-five thousand, five hundred thirty".