551755278336 has 96 divisors (see below), whose sum is σ = 1492944354720. Its totient is φ = 181173239808.

The previous prime is 551755278323. The next prime is 551755278391. The reversal of 551755278336 is 633872557155.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258531 + ... + 1081826.

It is an arithmetic number, because the mean of its divisors is an integer number (15551503695).

Almost surely, 2^551755278336 is an apocalyptic number.

It is an amenable number.

551755278336 is an abundant number, since it is smaller than the sum of its proper divisors (941189076384).

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

551755278336 is a wasteful number, since it uses less digits than its factorization.

551755278336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340449 (or 1340429 counting only the distinct ones).

The product of its digits is 26460000, while the sum is 57.

The spelling of 551755278336 in words is "five hundred fifty-one billion, seven hundred fifty-five million, two hundred seventy-eight thousand, three hundred thirty-six".