553449819 has 12 divisors (see below), whose sum is σ = 799064376. Its totient is φ = 340584192.

The previous prime is 553449817. The next prime is 553449821. The reversal of 553449819 is 918944355.

It is an interprime number because it is at equal distance from previous prime (553449817) and next prime (553449821).

It is not a de Polignac number, because 553449819 - 2¹ = 553449817 is a prime.

It is a super-2 number, since 2×553449819² = 612613404302265522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (553449817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 545302 + ... + 546315.

It is an arithmetic number, because the mean of its divisors is an integer number (66588698).

Almost surely, 2^553449819 is an apocalyptic number.

553449819 is a deficient number, since it is larger than the sum of its proper divisors (245614557).

553449819 is a wasteful number, since it uses less digits than its factorization.

553449819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091646 (or 1091633 counting only the distinct ones).

The product of its digits is 777600, while the sum is 48.

The square root of 553449819 is about 23525.5142132962. The cubic root of 553449819 is about 821.0307378299.

The spelling of 553449819 in words is "five hundred fifty-three million, four hundred forty-nine thousand, eight hundred nineteen".