553400719 has 4 divisors (see below), whose sum is σ = 563842296. Its totient is φ = 542959144.

The previous prime is 553400717. The next prime is 553400737. The reversal of 553400719 is 917004355.

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 553400719 - 2¹ = 553400717 is a prime.

It is a super-2 number, since 2×553400719² = 612504711579433922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553400717) 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, 5220709 + ... + 5220814.

It is an arithmetic number, because the mean of its divisors is an integer number (140960574).

Almost surely, 2^553400719 is an apocalyptic number.

553400719 is a deficient number, since it is larger than the sum of its proper divisors (10441577).

553400719 is a wasteful number, since it uses less digits than its factorization.

553400719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10441576.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 553400719 is about 23524.4706422908. The cubic root of 553400719 is about 821.0064575188.

The spelling of 553400719 in words is "five hundred fifty-three million, four hundred thousand, seven hundred nineteen".