553213457897 has 4 divisors (see below), whose sum is σ = 577266216960. Its totient is φ = 529160698836.

The previous prime is 553213457893. The next prime is 553213457899. The reversal of 553213457897 is 798754312355.

553213457897 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 553213457897 - 2² = 553213457893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553213457891) 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, 12026379497 + ... + 12026379542.

It is an arithmetic number, because the mean of its divisors is an integer number (144316554240).

Almost surely, 2^553213457897 is an apocalyptic number.

It is an amenable number.

553213457897 is a deficient number, since it is larger than the sum of its proper divisors (24052759063).

553213457897 is a wasteful number, since it uses less digits than its factorization.

553213457897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24052759062.

The product of its digits is 31752000, while the sum is 59.

The spelling of 553213457897 in words is "five hundred fifty-three billion, two hundred thirteen million, four hundred fifty-seven thousand, eight hundred ninety-seven".