551062664 has 8 divisors (see below), whose sum is σ = 1033242510. Its totient is φ = 275531328.

The previous prime is 551062663. The next prime is 551062679. The reversal of 551062664 is 466260155.

It can be written as a sum of positive squares in only one way, i.e., 548028100 + 3034564 = 23410^2 + 1742^2 .

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 (551062661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34441409 + ... + 34441424.

Almost surely, 2^551062664 is an apocalyptic number.

It is an amenable number.

551062664 is a deficient number, since it is larger than the sum of its proper divisors (482179846).

551062664 is a wasteful number, since it uses less digits than its factorization.

551062664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68882839 (or 68882835 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 551062664 is about 23474.7239387389. The cubic root of 551062664 is about 819.8486058000.

The spelling of 551062664 in words is "five hundred fifty-one million, sixty-two thousand, six hundred sixty-four".