553897343 has 4 divisors (see below), whose sum is σ = 558979080. Its totient is φ = 548815608.

The previous prime is 553897327. The next prime is 553897373. The reversal of 553897343 is 343798355.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343798355 = 5 ⋅68759671.

It is a cyclic number.

It is not a de Polignac number, because 553897343 - 2⁴ = 553897327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553897313) 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, 2540705 + ... + 2540922.

It is an arithmetic number, because the mean of its divisors is an integer number (139744770).

Almost surely, 2^553897343 is an apocalyptic number.

553897343 is a deficient number, since it is larger than the sum of its proper divisors (5081737).

553897343 is a wasteful number, since it uses less digits than its factorization.

553897343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5081736.

The product of its digits is 1360800, while the sum is 47.

The square root of 553897343 is about 23535.0237518469. The cubic root of 553897343 is about 821.2519755742.

The spelling of 553897343 in words is "five hundred fifty-three million, eight hundred ninety-seven thousand, three hundred forty-three".