553622640 has 40 divisors (see below), whose sum is σ = 1716230928. Its totient is φ = 147632640.

The previous prime is 553622633. The next prime is 553622647. The reversal of 553622640 is 46226355.

It is an interprime number because it is at equal distance from previous prime (553622633) and next prime (553622647).

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553622647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1153141 + ... + 1153620.

Almost surely, 2^553622640 is an apocalyptic number.

It is an amenable number.

553622640 is an abundant number, since it is smaller than the sum of its proper divisors (1162608288).

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

553622640 is a wasteful number, since it uses less digits than its factorization.

553622640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306777 (or 2306771 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 553622640 is about 23529.1869812792. The cubic root of 553622640 is about 821.1161876646.

Adding to 553622640 its reverse (46226355), we get a palindrome (599848995).

The spelling of 553622640 in words is "five hundred fifty-three million, six hundred twenty-two thousand, six hundred forty".