553400651 has 4 divisors (see below), whose sum is σ = 553525632. Its totient is φ = 553275672.

The previous prime is 553400647. The next prime is 553400671. The reversal of 553400651 is 156004355.

553400651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 553400651 - 2² = 553400647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553400611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55595 + ... + 64788.

It is an arithmetic number, because the mean of its divisors is an integer number (138381408).

Almost surely, 2^553400651 is an apocalyptic number.

553400651 is a deficient number, since it is larger than the sum of its proper divisors (124981).

553400651 is a wasteful number, since it uses less digits than its factorization.

553400651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124980.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 553400651 is about 23524.4691969872. The cubic root of 553400651 is about 821.0064238913.

The spelling of 553400651 in words is "five hundred fifty-three million, four hundred thousand, six hundred fifty-one".