553401630 has 48 divisors (see below), whose sum is σ = 1443003120. Its totient is φ = 147147264.

The previous prime is 553401613. The next prime is 553401631. The reversal of 553401630 is 36104355.

It is a super-3 number, since 3×553401630³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 553401594 and 553401603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553401631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23061 + ... + 40479.

It is an arithmetic number, because the mean of its divisors is an integer number (30062565).

Almost surely, 2^553401630 is an apocalyptic number.

553401630 is an abundant number, since it is smaller than the sum of its proper divisors (889601490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

553401630 is a wasteful number, since it uses less digits than its factorization.

553401630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17785 (or 17782 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 553401630 is about 23524.4900050989. The cubic root of 553401630 is about 821.0069080281.

Adding to 553401630 its reverse (36104355), we get a palindrome (589505985).

The spelling of 553401630 in words is "five hundred fifty-three million, four hundred one thousand, six hundred thirty".