553707961 has 3 divisors (see below), whose sum is σ = 553731493. Its totient is φ = 553684430.

The previous prime is 553707953. The next prime is 553707967. The reversal of 553707961 is 169707355.

The square root of 553707961 is 23531.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 553707961 - 2³ = 553707953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553707967) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11766 + ... + 35296.

Almost surely, 2^553707961 is an apocalyptic number.

553707961 is the 23531-st square number.

553707961 is the 11766-th centered octagonal number.

It is an amenable number.

553707961 is a deficient number, since it is larger than the sum of its proper divisors (23532).

553707961 is an frugal number, since it uses more digits than its factorization.

553707961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47062 (or 23531 counting only the distinct ones).

The product of its (nonzero) digits is 198450, while the sum is 43.

The cubic root of 553707961 is about 821.1583673315.

The spelling of 553707961 in words is "five hundred fifty-three million, seven hundred seven thousand, nine hundred sixty-one".