553855349 has 4 divisors (see below), whose sum is σ = 555528960. Its totient is φ = 552181740.

The previous prime is 553855327. The next prime is 553855373. The reversal of 553855349 is 943558355.

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 553855349 - 2¹² = 553851253 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 (553855319) 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, 836309 + ... + 836970.

It is an arithmetic number, because the mean of its divisors is an integer number (138882240).

Almost surely, 2^553855349 is an apocalyptic number.

It is an amenable number.

553855349 is a deficient number, since it is larger than the sum of its proper divisors (1673611).

553855349 is a wasteful number, since it uses less digits than its factorization.

553855349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673610.

The product of its digits is 1620000, while the sum is 47.

The square root of 553855349 is about 23534.1315752250. The cubic root of 553855349 is about 821.2312205086.

The spelling of 553855349 in words is "five hundred fifty-three million, eight hundred fifty-five thousand, three hundred forty-nine".