551252432776 has 8 divisors (see below), whose sum is σ = 1033598311470. Its totient is φ = 275626216384.

The previous prime is 551252432737. The next prime is 551252432777. The reversal of 551252432776 is 677234252155.

It can be written as a sum of positive squares in only one way, i.e., 291178952100 + 260073480676 = 539610^2 + 509974^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (551252432777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34453277041 + ... + 34453277056.

Almost surely, 2^551252432776 is an apocalyptic number.

It is an amenable number.

551252432776 is a deficient number, since it is larger than the sum of its proper divisors (482345878694).

551252432776 is a wasteful number, since it uses less digits than its factorization.

551252432776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68906554103 (or 68906554099 counting only the distinct ones).

The product of its digits is 3528000, while the sum is 49.

The spelling of 551252432776 in words is "five hundred fifty-one billion, two hundred fifty-two million, four hundred thirty-two thousand, seven hundred seventy-six".