551052864 has 42 divisors (see below), whose sum is σ = 1579495190. Its totient is φ = 183684096.

The previous prime is 551052767. The next prime is 551052881. The reversal of 551052864 is 468250155.

It can be written as a sum of positive squares in only one way, i.e., 466560000 + 84492864 = 21600^2 + 9192^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 477769 + ... + 478920.

Almost surely, 2^551052864 is an apocalyptic number.

It is an amenable number.

551052864 is an abundant number, since it is smaller than the sum of its proper divisors (1028442326).

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

551052864 is a wasteful number, since it uses less digits than its factorization.

551052864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956707 (or 956694 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 551052864 is about 23474.5152026618. The cubic root of 551052864 is about 819.8437457575.

The spelling of 551052864 in words is "five hundred fifty-one million, fifty-two thousand, eight hundred sixty-four".