552778508776 has 32 divisors (see below), whose sum is σ = 1116475201800. Its totient is φ = 255062753280.

The previous prime is 552778508767. The next prime is 552778508797. The reversal of 552778508776 is 677805877255.

It can be written as a sum of positive squares in 4 ways, for example, as 509981656900 + 42796851876 = 714130^2 + 206874^2 .

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, 278905 + ... + 1087816.

Almost surely, 2^552778508776 is an apocalyptic number.

It is an amenable number.

552778508776 is an abundant number, since it is smaller than the sum of its proper divisors (563696693024).

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

552778508776 is a wasteful number, since it uses less digits than its factorization.

552778508776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370629 (or 1370625 counting only the distinct ones).

The product of its (nonzero) digits is 230496000, while the sum is 67.

The spelling of 552778508776 in words is "five hundred fifty-two billion, seven hundred seventy-eight million, five hundred eight thousand, seven hundred seventy-six".