553490646 has 16 divisors (see below), whose sum is σ = 1120319424. Its totient is φ = 182273864.

The previous prime is 553490627. The next prime is 553490657. The reversal of 553490646 is 646094355.

It is a junction number, because it is equal to n+sod(n) for n = 553490598 and 553490607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555216 + ... + 556211.

It is an arithmetic number, because the mean of its divisors is an integer number (70019964).

Almost surely, 2^553490646 is an apocalyptic number.

553490646 is an abundant number, since it is smaller than the sum of its proper divisors (566828778).

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

553490646 is a wasteful number, since it uses less digits than its factorization.

553490646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111515.

The product of its (nonzero) digits is 388800, while the sum is 42.

The square root of 553490646 is about 23526.3819147781. The cubic root of 553490646 is about 821.0509259883.

The spelling of 553490646 in words is "five hundred fifty-three million, four hundred ninety thousand, six hundred forty-six".