553113421 has 12 divisors (see below), whose sum is σ = 646265088. Its totient is φ = 471999192.

The previous prime is 553113419. The next prime is 553113461. The reversal of 553113421 is 124311355.

It is a happy number.

It is not a de Polignac number, because 553113421 - 2¹ = 553113419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553113461) 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, 13741 + ... + 35986.

It is an arithmetic number, because the mean of its divisors is an integer number (53855424).

Almost surely, 2^553113421 is an apocalyptic number.

It is an amenable number.

553113421 is a deficient number, since it is larger than the sum of its proper divisors (93151667).

553113421 is a wasteful number, since it uses less digits than its factorization.

553113421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49968 (or 49961 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 553113421 is about 23518.3634847325. The cubic root of 553113421 is about 820.8643577499.

Adding to 553113421 its reverse (124311355), we get a palindrome (677424776).

The spelling of 553113421 in words is "five hundred fifty-three million, one hundred thirteen thousand, four hundred twenty-one".