2755555530 has 64 divisors (see below), whose sum is σ = 8139495168. Its totient is φ = 581391360.

The previous prime is 2755555507. The next prime is 2755555547. The reversal of 2755555530 is 355555572.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 501951 + ... + 507410.

It is an arithmetic number, because the mean of its divisors is an integer number (127179612).

Almost surely, 2^2755555530 is an apocalyptic number.

2755555530 is an abundant number, since it is smaller than the sum of its proper divisors (5383939638).

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

2755555530 is a wasteful number, since it uses less digits than its factorization.

2755555530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009391.

The product of its (nonzero) digits is 656250, while the sum is 42.

The square root of 2755555530 is about 52493.3855833285. The cubic root of 2755555530 is about 1401.9624739736.

Adding to 2755555530 its sum of digits (42), we get a palindrome (2755555572).

The spelling of 2755555530 in words is "two billion, seven hundred fifty-five million, five hundred fifty-five thousand, five hundred thirty".